12031112511122 has 8 divisors (see below), whose sum is σ = 18065140283196. Its totient is φ = 6009399083392.

The previous prime is 12031112511017. The next prime is 12031112511167. The reversal of 12031112511122 is 22111521113021.

It can be written as a sum of positive squares in 2 ways, for example, as 8393124673921 + 3637987837201 = 2897089^2 + 1907351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078583643 + ... + 3078587550.

Almost surely, 2^{12031112511122} is an apocalyptic number.

12031112511122 is a deficient number, since it is larger than the sum of its proper divisors (6034027772074).

12031112511122 is an equidigital number, since it uses as much as digits as its factorization.

12031112511122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157172172.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 12031112511122 its reverse (22111521113021), we get a palindrome (34142633624143).

The spelling of 12031112511122 in words is "twelve trillion, thirty-one billion, one hundred twelve million, five hundred eleven thousand, one hundred twenty-two".