12507822171231 has 16 divisors (see below), whose sum is σ = 16731763226880. Its totient is φ = 8311217958720.

The previous prime is 12507822171209. The next prime is 12507822171281. The reversal of 12507822171231 is 13217122870521.

It is not a de Polignac number, because 12507822171231 - 2¹⁸ = 12507821909087 is a prime.

It is a super-2 number, since 2×12507822171231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507822171281) 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 15 ways as a sum of consecutive naturals, for example, 14857035 + ... + 15676323.

It is an arithmetic number, because the mean of its divisors is an integer number (1045735201680).

Almost surely, 2^{12507822171231} is an apocalyptic number.

12507822171231 is a deficient number, since it is larger than the sum of its proper divisors (4223941055649).

12507822171231 is a wasteful number, since it uses less digits than its factorization.

12507822171231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835966.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 12507822171231 in words is "twelve trillion, five hundred seven billion, eight hundred twenty-two million, one hundred seventy-one thousand, two hundred thirty-one".