12171074836392 has 32 divisors (see below), whose sum is σ = 33808541212800. Its totient is φ = 4057024945392.

The previous prime is 12171074836363. The next prime is 12171074836397. The reversal of 12171074836392 is 29363847017121.

12171074836392 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 10 + 7 + 483 + 63 + 92 = 666.

12171074836392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12171074836397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28173784128 + ... + 28173784559.

It is an arithmetic number, because the mean of its divisors is an integer number (1056516912900).

Almost surely, 2^{12171074836392} is an apocalyptic number.

12171074836392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12171074836392 is an abundant number, since it is smaller than the sum of its proper divisors (21637466376408).

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

12171074836392 is a wasteful number, since it uses less digits than its factorization.

12171074836392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56347568702 (or 56347568692 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 12171074836392 in words is "twelve trillion, one hundred seventy-one billion, seventy-four million, eight hundred thirty-six thousand, three hundred ninety-two".