12100122234 has 12 divisors (see below), whose sum is σ = 26216931546. Its totient is φ = 4033374072.

The previous prime is 12100122191. The next prime is 12100122239. The reversal of 12100122234 is 43222100121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7441650225 + 4658472009 = 86265^2 + 68253^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 672229013 = 12100122234 / (1 + 2 + 1 + 0 + 0 + 1 + 2 + 2 + 2 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (12100122239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336114489 + ... + 336114524.

Almost surely, 2^12100122234 is an apocalyptic number.

12100122234 is an abundant number, since it is smaller than the sum of its proper divisors (14116809312).

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

12100122234 is a wasteful number, since it uses less digits than its factorization.

12100122234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672229021 (or 672229018 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12100122234 its reverse (43222100121), we get a palindrome (55322222355).

The spelling of 12100122234 in words is "twelve billion, one hundred million, one hundred twenty-two thousand, two hundred thirty-four".