12516625250125 has 8 divisors (see below), whose sum is σ = 15620748312312. Its totient is φ = 10013300200000.

The previous prime is 12516625250093. The next prime is 12516625250153. The reversal of 12516625250125 is 52105252661521.

It can be written as a sum of positive squares in 4 ways, for example, as 123317559556 + 12393307690569 = 351166^2 + 3520413^2 .

It is not a de Polignac number, because 12516625250125 - 2⁵ = 12516625250093 is a prime.

It is a Duffinian number.

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, 50066500876 + ... + 50066501125.

It is an arithmetic number, because the mean of its divisors is an integer number (1952593539039).

Almost surely, 2^{12516625250125} is an apocalyptic number.

It is an amenable number.

12516625250125 is a deficient number, since it is larger than the sum of its proper divisors (3104123062187).

12516625250125 is an equidigital number, since it uses as much as digits as its factorization.

12516625250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100133002016 (or 100133002006 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 12516625250125 in words is "twelve trillion, five hundred sixteen billion, six hundred twenty-five million, two hundred fifty thousand, one hundred twenty-five".