100002131212 has 24 divisors (see below), whose sum is σ = 176471998976. Its totient is φ = 49581963648.

The previous prime is 100002131209. The next prime is 100002131213. The reversal of 100002131212 is 212131200001.

It is a junction number, because it is equal to n+sod(n) for n = 100002131192 and 100002131201.

It is not an unprimeable number, because it can be changed into a prime (100002131213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963058 + ... + 1061830.

Almost surely, 2^100002131212 is an apocalyptic number.

It is an amenable number.

100002131212 is a deficient number, since it is larger than the sum of its proper divisors (76469867764).

100002131212 is a wasteful number, since it uses less digits than its factorization.

100002131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100897 (or 100895 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100002131212 its reverse (212131200001), we get a palindrome (312133331213).

The spelling of 100002131212 in words is "one hundred billion, two million, one hundred thirty-one thousand, two hundred twelve".