12656252237464 has 32 divisors (see below), whose sum is σ = 25890540578640. Its totient is φ = 5752230390400.

The previous prime is 12656252237423. The next prime is 12656252237467. The reversal of 12656252237464 is 46473225265621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656252237467) 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, 6811147 + ... + 8467834.

Almost surely, 2^{12656252237464} is an apocalyptic number.

It is an amenable number.

12656252237464 is an abundant number, since it is smaller than the sum of its proper divisors (13234288341176).

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

12656252237464 is a wasteful number, since it uses less digits than its factorization.

12656252237464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288411 (or 15288407 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 55.

The spelling of 12656252237464 in words is "twelve trillion, six hundred fifty-six billion, two hundred fifty-two million, two hundred thirty-seven thousand, four hundred sixty-four".