12133331100 has 108 divisors (see below), whose sum is σ = 41488672680. Its totient is φ = 2941411200.

The previous prime is 12133331099. The next prime is 12133331117. The reversal of 12133331100 is 113333121.

It is a happy number.

12133331100 is a `hidden beast` number, since 1 + 21 + 333 + 311 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 602895 + ... + 622694.

Almost surely, 2^12133331100 is an apocalyptic number.

12133331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133331100 is an abundant number, since it is smaller than the sum of its proper divisors (29355341580).

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

12133331100 is a wasteful number, since it uses less digits than its factorization.

12133331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225620 (or 1225610 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12133331100 its reverse (113333121), we get a palindrome (12246664221).

The spelling of 12133331100 in words is "twelve billion, one hundred thirty-three million, three hundred thirty-one thousand, one hundred".