12572431664 has 40 divisors (see below), whose sum is σ = 26408986800. Its totient is φ = 5763702528.

The previous prime is 12572431637. The next prime is 12572431667. The reversal of 12572431664 is 46613427521.

It is not an unprimeable number, because it can be changed into a prime (12572431667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171842 + ... + 233825.

It is an arithmetic number, because the mean of its divisors is an integer number (660224670).

Almost surely, 2^12572431664 is an apocalyptic number.

It is an amenable number.

12572431664 is an abundant number, since it is smaller than the sum of its proper divisors (13836555136).

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

12572431664 is a wasteful number, since it uses less digits than its factorization.

12572431664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405837 (or 405831 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 12572431664 in words is "twelve billion, five hundred seventy-two million, four hundred thirty-one thousand, six hundred sixty-four".