12080427922 has 32 divisors (see below), whose sum is σ = 18808175664. Its totient is φ = 5816448000.

The previous prime is 12080427889. The next prime is 12080427971. The reversal of 12080427922 is 22972408021.

It is a Cunningham number, because it is equal to 109911²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 6857330481 + 5223097441 = 82809^2 + 72271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215172 + ... + 1225072.

Almost surely, 2^12080427922 is an apocalyptic number.

12080427922 is a deficient number, since it is larger than the sum of its proper divisors (6727747742).

12080427922 is a wasteful number, since it uses less digits than its factorization.

12080427922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 12080427922 in words is "twelve billion, eighty million, four hundred twenty-seven thousand, nine hundred twenty-two".