12560257972 has 24 divisors (see below), whose sum is σ = 22698368000. Its totient is φ = 6075168480.

The previous prime is 12560257949. The next prime is 12560257999. The reversal of 12560257972 is 27975206521.

It is a congruent number.

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, 322453 + ... + 359299.

Almost surely, 2^12560257972 is an apocalyptic number.

It is an amenable number.

12560257972 is a deficient number, since it is larger than the sum of its proper divisors (10138110028).

12560257972 is a wasteful number, since it uses less digits than its factorization.

12560257972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39631 (or 39629 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 12560257972 in words is "twelve billion, five hundred sixty million, two hundred fifty-seven thousand, nine hundred seventy-two".