12133231100 has 36 divisors (see below), whose sum is σ = 26364333408. Its totient is φ = 4846800000.

The previous prime is 12133231093. The next prime is 12133231133. The reversal of 12133231100 is 113233121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5681 + ... + 155880.

Almost surely, 2^12133231100 is an apocalyptic number.

12133231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133231100 is an abundant number, since it is smaller than the sum of its proper divisors (14231102308).

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

12133231100 is a wasteful number, since it uses less digits than its factorization.

12133231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162326 (or 162319 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12133231100 its reverse (113233121), we get a palindrome (12246464221).

The spelling of 12133231100 in words is "twelve billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred".