12513138887632 has 40 divisors (see below), whose sum is σ = 24726030796584. Its totient is φ = 6132460798464.

The previous prime is 12513138887603. The next prime is 12513138887659. The reversal of 12513138887632 is 23678883131521.

It can be written as a sum of positive squares in 4 ways, for example, as 1848446899776 + 10664691987856 = 1359576^2 + 3265684^2 .

It is a congruent 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, 6424323 + ... + 8142370.

Almost surely, 2^{12513138887632} is an apocalyptic number.

It is an amenable number.

12513138887632 is a deficient number, since it is larger than the sum of its proper divisors (12212891908952).

12513138887632 is a wasteful number, since it uses less digits than its factorization.

12513138887632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567767 (or 14567761 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The spelling of 12513138887632 in words is "twelve trillion, five hundred thirteen billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, six hundred thirty-two".