12500625125 has 8 divisors (see below), whose sum is σ = 15600780312. Its totient is φ = 10000500000.

The previous prime is 12500625083. The next prime is 12500625139. The reversal of 12500625125 is 52152600521.

12500625125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 269813476 + 12230811649 = 16426^2 + 110593^2 .

It is not a de Polignac number, because 12500625125 - 2³² = 8205657829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50002376 + ... + 50002625.

It is an arithmetic number, because the mean of its divisors is an integer number (1950097539).

Almost surely, 2^12500625125 is an apocalyptic number.

It is an amenable number.

12500625125 is a deficient number, since it is larger than the sum of its proper divisors (3100155187).

12500625125 is an equidigital number, since it uses as much as digits as its factorization.

12500625125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005016 (or 100005006 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12500625125 in words is "twelve billion, five hundred million, six hundred twenty-five thousand, one hundred twenty-five".