12507822171232 has 12 divisors (see below), whose sum is σ = 24624774899676. Its totient is φ = 6253911085600.

The previous prime is 12507822171209. The next prime is 12507822171281. The reversal of 12507822171232 is 23217122870521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195434721394 + ... + 195434721457.

It is an arithmetic number, because the mean of its divisors is an integer number (2052064574973).

Almost surely, 2^{12507822171232} is an apocalyptic number.

It is an amenable number.

12507822171232 is a deficient number, since it is larger than the sum of its proper divisors (12116952728444).

12507822171232 is an equidigital number, since it uses as much as digits as its factorization.

12507822171232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390869442861 (or 390869442853 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 12507822171232 in words is "twelve trillion, five hundred seven billion, eight hundred twenty-two million, one hundred seventy-one thousand, two hundred thirty-two".