100131210212 has 12 divisors (see below), whose sum is σ = 191159583216. Its totient is φ = 45514186440.

The previous prime is 100131210211. The next prime is 100131210229. The reversal of 100131210212 is 212012131001.

It is not an unprimeable number, because it can be changed into a prime (100131210211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137854618 + ... + 1137854705.

It is an arithmetic number, because the mean of its divisors is an integer number (15929965268).

Almost surely, 2^100131210212 is an apocalyptic number.

It is an amenable number.

100131210212 is a deficient number, since it is larger than the sum of its proper divisors (91028373004).

100131210212 is a wasteful number, since it uses less digits than its factorization.

100131210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275709338 (or 2275709336 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100131210212 its reverse (212012131001), we get a palindrome (312143341213).

It can be divided in two parts, 1001 and 31210212, that added together give a palindrome (31211213).

The spelling of 100131210212 in words is "one hundred billion, one hundred thirty-one million, two hundred ten thousand, two hundred twelve".