12559868344 has 16 divisors (see below), whose sum is σ = 23994088920. Its totient is φ = 6161444640.

The previous prime is 12559868339. The next prime is 12559868371. The reversal of 12559868344 is 44386895521.

It is a super-2 number, since 2×12559868344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14810742 + ... + 14811589.

Almost surely, 2^12559868344 is an apocalyptic number.

It is an amenable number.

12559868344 is a deficient number, since it is larger than the sum of its proper divisors (11434220576).

12559868344 is a wasteful number, since it uses less digits than its factorization.

12559868344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29622390 (or 29622386 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 12559868344 in words is "twelve billion, five hundred fifty-nine million, eight hundred sixty-eight thousand, three hundred forty-four".