130215712 has 48 divisors (see below), whose sum is σ = 283100832. Its totient is φ = 58462720.

The previous prime is 130215697. The next prime is 130215727. The reversal of 130215712 is 217512031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130215697) and next prime (130215727).

It is a super-2 number, since 2×130215712² = 33912263303333888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26988 + ... + 31444.

It is an arithmetic number, because the mean of its divisors is an integer number (5897934).

Almost surely, 2^130215712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130215712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141550416).

130215712 is an abundant number, since it is smaller than the sum of its proper divisors (152885120).

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

130215712 is a wasteful number, since it uses less digits than its factorization.

130215712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 130215712 is about 11411.2099270849. The cubic root of 130215712 is about 506.8597402057.

Adding to 130215712 its reverse (217512031), we get a palindrome (347727743).

The spelling of 130215712 in words is "one hundred thirty million, two hundred fifteen thousand, seven hundred twelve".