12937220544 has 56 divisors (see below), whose sum is σ = 34242319120. Its totient is φ = 4310820864.

The previous prime is 12937220539. The next prime is 12937220557. The reversal of 12937220544 is 44502273921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586092 + ... + 607764.

Almost surely, 2^12937220544 is an apocalyptic number.

It is an amenable number.

12937220544 is an abundant number, since it is smaller than the sum of its proper divisors (21305098576).

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

12937220544 is a wasteful number, since it uses less digits than its factorization.

12937220544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24797 (or 24787 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12937220544 in words is "twelve billion, nine hundred thirty-seven million, two hundred twenty thousand, five hundred forty-four".