12040112100 has 36 divisors (see below), whose sum is σ = 34836058544. Its totient is φ = 3210696480.

The previous prime is 12040112087. The next prime is 12040112141. The reversal of 12040112100 is 121104021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20066554 + ... + 20067153.

Almost surely, 2^12040112100 is an apocalyptic number.

12040112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040112100 is an abundant number, since it is smaller than the sum of its proper divisors (22795946444).

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

12040112100 is a wasteful number, since it uses less digits than its factorization.

12040112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40133724 (or 40133717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12040112100 its reverse (121104021), we get a palindrome (12161216121).

The spelling of 12040112100 in words is "twelve billion, forty million, one hundred twelve thousand, one hundred".