100131000212 has 48 divisors (see below), whose sum is σ = 186995148480. Its totient is φ = 46750566912.

The previous prime is 100131000209. The next prime is 100131000251. The reversal of 100131000212 is 212000131001.

It is a junction number, because it is equal to n+sod(n) for n = 100131000193 and 100131000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20914883 + ... + 20919669.

It is an arithmetic number, because the mean of its divisors is an integer number (3895732260).

Almost surely, 2^100131000212 is an apocalyptic number.

It is an amenable number.

100131000212 is a deficient number, since it is larger than the sum of its proper divisors (86864148268).

100131000212 is a wasteful number, since it uses less digits than its factorization.

100131000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100131000212 its reverse (212000131001), we get a palindrome (312131131213).

The spelling of 100131000212 in words is "one hundred billion, one hundred thirty-one million, two hundred twelve", and thus it is an aban number.