12662256056 has 16 divisors (see below), whose sum is σ = 24773979600. Its totient is φ = 6055861504.

The previous prime is 12662256011. The next prime is 12662256059. The reversal of 12662256056 is 65065226621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662256059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34408121 + ... + 34408488.

It is an arithmetic number, because the mean of its divisors is an integer number (1548373725).

Almost surely, 2^12662256056 is an apocalyptic number.

It is an amenable number.

12662256056 is a deficient number, since it is larger than the sum of its proper divisors (12111723544).

12662256056 is a wasteful number, since it uses less digits than its factorization.

12662256056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68816638 (or 68816634 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 12662256056 in words is "twelve billion, six hundred sixty-two million, two hundred fifty-six thousand, fifty-six".