12257528725386 has 96 divisors (see below), whose sum is σ = 30461999443200. Its totient is φ = 3489472396800.

The previous prime is 12257528725297. The next prime is 12257528725457. The reversal of 12257528725386 is 68352782575221.

12257528725386 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 7 + 5 + 28 + 72 + 538 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54213220 + ... + 54438848.

It is an arithmetic number, because the mean of its divisors is an integer number (317312494200).

Almost surely, 2^{12257528725386} is an apocalyptic number.

12257528725386 is an abundant number, since it is smaller than the sum of its proper divisors (18204470717814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12257528725386 is a wasteful number, since it uses less digits than its factorization.

12257528725386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227204 (or 227201 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 12257528725386 in words is "twelve trillion, two hundred fifty-seven billion, five hundred twenty-eight million, seven hundred twenty-five thousand, three hundred eighty-six".