12331231100 has 36 divisors (see below), whose sum is σ = 26763651600. Its totient is φ = 4931592960.

The previous prime is 12331231091. The next prime is 12331231111. The reversal of 12331231100 is 113213321.

It is a congruent number.

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, 941396 + ... + 954404.

Almost surely, 2^12331231100 is an apocalyptic number.

12331231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331231100 is an abundant number, since it is smaller than the sum of its proper divisors (14432420500).

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

12331231100 is a wasteful number, since it uses less digits than its factorization.

12331231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22502 (or 22495 counting only the distinct ones).

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

Adding to 12331231100 its reverse (113213321), we get a palindrome (12444444421).

The spelling of 12331231100 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred".