12031022202131 has 32 divisors (see below), whose sum is σ = 12962436480000. Its totient is φ = 11133292465152.

The previous prime is 12031022202109. The next prime is 12031022202149. The reversal of 12031022202131 is 13120222013021.

It is a cyclic number.

It is not a de Polignac number, because 12031022202131 - 2³⁰ = 12029948460307 is a prime.

It is a super-2 number, since 2×12031022202131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031022202151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52933670 + ... + 53160468.

It is an arithmetic number, because the mean of its divisors is an integer number (405076140000).

Almost surely, 2^{12031022202131} is an apocalyptic number.

12031022202131 is a deficient number, since it is larger than the sum of its proper divisors (931414277869).

12031022202131 is a wasteful number, since it uses less digits than its factorization.

12031022202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227291.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12031022202131 its reverse (13120222013021), we get a palindrome (25151244215152).

The spelling of 12031022202131 in words is "twelve trillion, thirty-one billion, twenty-two million, two hundred two thousand, one hundred thirty-one".