12501277515125 has 32 divisors (see below), whose sum is σ = 17830786970880. Its totient is φ = 8572115428800.

The previous prime is 12501277515119. The next prime is 12501277515151. The reversal of 12501277515125 is 52151577210521.

It is not a de Polignac number, because 12501277515125 - 2²⁶ = 12501210406261 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, 47880182 + ... + 48140568.

It is an arithmetic number, because the mean of its divisors is an integer number (557212092840).

Almost surely, 2^{12501277515125} is an apocalyptic number.

It is an amenable number.

12501277515125 is a deficient number, since it is larger than the sum of its proper divisors (5329509455755).

12501277515125 is an equidigital number, since it uses as much as digits as its factorization.

12501277515125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315278 (or 315268 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 44.

The spelling of 12501277515125 in words is "twelve trillion, five hundred one billion, two hundred seventy-seven million, five hundred fifteen thousand, one hundred twenty-five".