100131212312 has 16 divisors (see below), whose sum is σ = 187749813600. Its totient is φ = 50064595360.

The previous prime is 100131212281. The next prime is 100131212327. The reversal of 100131212312 is 213212131001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448514 + ... + 633582.

It is an arithmetic number, because the mean of its divisors is an integer number (11734363350).

Almost surely, 2^100131212312 is an apocalyptic number.

It is an amenable number.

100131212312 is a deficient number, since it is larger than the sum of its proper divisors (87618601288).

100131212312 is a wasteful number, since it uses less digits than its factorization.

100131212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252706 (or 252702 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100131212312 its reverse (213212131001), we get a palindrome (313343343313).

The spelling of 100131212312 in words is "one hundred billion, one hundred thirty-one million, two hundred twelve thousand, three hundred twelve".