12938435057632 has 24 divisors (see below), whose sum is σ = 29111478880176. Its totient is φ = 5545043596032.

The previous prime is 12938435057621. The next prime is 12938435057671. The reversal of 12938435057632 is 23675053483921.

It is a super-2 number, since 2×12938435057632² (a number of 27 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, 28880435173 + ... + 28880435620.

It is an arithmetic number, because the mean of its divisors is an integer number (1212978286674).

It is a 1-persistent number, because it is pandigital, but 2⋅12938435057632 = 25876870115264 is not.

Almost surely, 2^{12938435057632} is an apocalyptic number.

It is an amenable number.

12938435057632 is an abundant number, since it is smaller than the sum of its proper divisors (16173043822544).

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

12938435057632 is an equidigital number, since it uses as much as digits as its factorization.

12938435057632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57760870810 (or 57760870802 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 12938435057632 in words is "twelve trillion, nine hundred thirty-eight billion, four hundred thirty-five million, fifty-seven thousand, six hundred thirty-two".