1601002212 has 12 divisors (see below), whose sum is σ = 3735671856. Its totient is φ = 533667400.

The previous prime is 1601002211. The next prime is 1601002213. The reversal of 1601002212 is 2122001061.

It is an interprime number because it is at equal distance from previous prime (1601002211) and next prime (1601002213).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1601002191 and 1601002200.

It is not an unprimeable number, because it can be changed into a prime (1601002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66708414 + ... + 66708437.

It is an arithmetic number, because the mean of its divisors is an integer number (311305988).

Almost surely, 2^1601002212 is an apocalyptic number.

1601002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1601002212 is an abundant number, since it is smaller than the sum of its proper divisors (2134669644).

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

1601002212 is a wasteful number, since it uses less digits than its factorization.

1601002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133416858 (or 133416856 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1601002212 is about 40012.5256888390. The cubic root of 1601002212 is about 1169.8512514526.

Adding to 1601002212 its reverse (2122001061), we get a palindrome (3723003273).

The spelling of 1601002212 in words is "one billion, six hundred one million, two thousand, two hundred twelve".