12638750125125 has 32 divisors (see below), whose sum is σ = 21031219183104. Its totient is φ = 6740558088000.

The previous prime is 12638750125117. The next prime is 12638750125151. The reversal of 12638750125125 is 52152105783621.

12638750125125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12638750125125 - 2³ = 12638750125117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26552980 + ... + 27024770.

It is an arithmetic number, because the mean of its divisors is an integer number (657225599472).

Almost surely, 2^{12638750125125} is an apocalyptic number.

12638750125125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12638750125125 is a deficient number, since it is larger than the sum of its proper divisors (8392469057979).

12638750125125 is an equidigital number, since it uses as much as digits as its factorization.

12638750125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543246 (or 543236 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 12638750125125 in words is "twelve trillion, six hundred thirty-eight billion, seven hundred fifty million, one hundred twenty-five thousand, one hundred twenty-five".