12372251173556 has 12 divisors (see below), whose sum is σ = 21659588401668. Its totient is φ = 6183797344512.

The previous prime is 12372251173553. The next prime is 12372251173613. The reversal of 12372251173556 is 65537115227321.

It can be written as a sum of positive squares in 2 ways, for example, as 9963807902500 + 2408443271056 = 3156550^2 + 1551916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12372251173553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582048611 + ... + 582069866.

It is an arithmetic number, because the mean of its divisors is an integer number (1804965700139).

Almost surely, 2^{12372251173556} is an apocalyptic number.

It is an amenable number.

12372251173556 is a deficient number, since it is larger than the sum of its proper divisors (9287337228112).

12372251173556 is a wasteful number, since it uses less digits than its factorization.

12372251173556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164121138 (or 1164121136 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 50.

The spelling of 12372251173556 in words is "twelve trillion, three hundred seventy-two billion, two hundred fifty-one million, one hundred seventy-three thousand, five hundred fifty-six".