12356313956544 has 56 divisors (see below), whose sum is σ = 33016437962928. Its totient is φ = 4077991398400.

The previous prime is 12356313956479. The next prime is 12356313956551. The reversal of 12356313956544 is 44565931365321.

It is a happy 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, 318573687 + ... + 318612470.

It is an arithmetic number, because the mean of its divisors is an integer number (589579249338).

Almost surely, 2^{12356313956544} is an apocalyptic number.

It is an amenable number.

12356313956544 is an abundant number, since it is smaller than the sum of its proper divisors (20660124006384).

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

12356313956544 is a wasteful number, since it uses less digits than its factorization.

12356313956544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637186273 (or 637186263 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 57.

The spelling of 12356313956544 in words is "twelve trillion, three hundred fifty-six billion, three hundred thirteen million, nine hundred fifty-six thousand, five hundred forty-four".