12043407168531 has 16 divisors (see below), whose sum is σ = 17842314885120. Its totient is φ = 8028834526440.

The previous prime is 12043407168523. The next prime is 12043407168571. The reversal of 12043407168531 is 13586170434021.

12043407168531 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 3 + 40 + 71 + 6 + 8 + 531 = 666.

It is not a de Polignac number, because 12043407168531 - 2³ = 12043407168523 is a prime.

It is a super-2 number, since 2×12043407168531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12043407168571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716355 + ... + 4959836.

It is an arithmetic number, because the mean of its divisors is an integer number (1115144680320).

Almost surely, 2^{12043407168531} is an apocalyptic number.

12043407168531 is a deficient number, since it is larger than the sum of its proper divisors (5798907716589).

12043407168531 is an equidigital number, since it uses as much as digits as its factorization.

12043407168531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754783 (or 5754777 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 12043407168531 in words is "twelve trillion, forty-three billion, four hundred seven million, one hundred sixty-eight thousand, five hundred thirty-one".