12043470731526 has 80 divisors (see below), whose sum is σ = 29224523790000. Its totient is φ = 3684981045312.

The previous prime is 12043470731507. The next prime is 12043470731531. The reversal of 12043470731526 is 62513707434021.

It is a happy number.

12043470731526 is a `hidden beast` number, since 1 + 20 + 4 + 3 + 4 + 70 + 7 + 31 + 526 = 666.

12043470731526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12043470731526² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15596901 + ... + 16350848.

It is an arithmetic number, because the mean of its divisors is an integer number (365306547375).

Almost surely, 2^{12043470731526} is an apocalyptic number.

12043470731526 is an abundant number, since it is smaller than the sum of its proper divisors (17181053058474).

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

12043470731526 is a wasteful number, since it uses less digits than its factorization.

12043470731526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31947955 (or 31947946 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 12043470731526 in words is "twelve trillion, forty-three billion, four hundred seventy million, seven hundred thirty-one thousand, five hundred twenty-six".