12572974944 has 36 divisors (see below), whose sum is σ = 35754398316. Its totient is φ = 4190991552.

The previous prime is 12572974943. The next prime is 12572974961. The reversal of 12572974944 is 44947927521.

12572974944 is a `hidden beast` number, since 12 + 57 + 2 + 97 + 494 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572974943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21827794 + ... + 21828369.

It is an arithmetic number, because the mean of its divisors is an integer number (993177731).

Almost surely, 2^12572974944 is an apocalyptic number.

It is an amenable number.

12572974944 is an abundant number, since it is smaller than the sum of its proper divisors (23181423372).

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

12572974944 is a wasteful number, since it uses less digits than its factorization.

12572974944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43656179 (or 43656168 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 12572974944 in words is "twelve billion, five hundred seventy-two million, nine hundred seventy-four thousand, nine hundred forty-four".