1509970212 has 72 divisors (see below), whose sum is σ = 3904290936. Its totient is φ = 491871744.

The previous prime is 1509970199. The next prime is 1509970219. The reversal of 1509970212 is 2120799051.

It can be written as a sum of positive squares in 4 ways, for example, as 247873536 + 1262096676 = 15744^2 + 35526^2 .

It is a super-2 number, since 2×1509970212² = 4560020082254649888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1509970219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527088 + ... + 529944.

It is an arithmetic number, because the mean of its divisors is an integer number (54226263).

Almost surely, 2^1509970212 is an apocalyptic number.

1509970212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1509970212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952145468).

1509970212 is an abundant number, since it is smaller than the sum of its proper divisors (2394320724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1509970212 is a wasteful number, since it uses less digits than its factorization.

1509970212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 1509970212 is about 38858.3351676317. The cubic root of 1509970212 is about 1147.2448758581.

The spelling of 1509970212 in words is "one billion, five hundred nine million, nine hundred seventy thousand, two hundred twelve".