12500906356 has 6 divisors (see below), whose sum is σ = 21876586130. Its totient is φ = 6250453176.

The previous prime is 12500906347. The next prime is 12500906413. The reversal of 12500906356 is 65360900521.

12500906356 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 only one way, i.e., 9470403856 + 3030502500 = 97316^2 + 55050^2 .

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 as a sum of consecutive naturals, namely, 1562613291 + ... + 1562613298.

Almost surely, 2^12500906356 is an apocalyptic number.

It is an amenable number.

12500906356 is a deficient number, since it is larger than the sum of its proper divisors (9375679774).

12500906356 is a wasteful number, since it uses less digits than its factorization.

12500906356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125226593 (or 3125226591 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 12500906356 in words is "twelve billion, five hundred million, nine hundred six thousand, three hundred fifty-six".