12133221423112 has 16 divisors (see below), whose sum is σ = 23304663099900. Its totient is φ = 5918644596480.

The previous prime is 12133221423041. The next prime is 12133221423121. The reversal of 12133221423112 is 21132412233121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12083507585956 + 49713837156 = 3476134^2 + 222966^2 .

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, 18495764037 + ... + 18495764692.

Almost surely, 2^{12133221423112} is an apocalyptic number.

It is an amenable number.

12133221423112 is a deficient number, since it is larger than the sum of its proper divisors (11171441676788).

12133221423112 is a wasteful number, since it uses less digits than its factorization.

12133221423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36991528776 (or 36991528772 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 12133221423112 its reverse (21132412233121), we get a palindrome (33265633656233).

The spelling of 12133221423112 in words is "twelve trillion, one hundred thirty-three billion, two hundred twenty-one million, four hundred twenty-three thousand, one hundred twelve".