100100020011212 has 24 divisors (see below), whose sum is σ = 188651514593136. Its totient is φ = 46199647551168.

The previous prime is 100100020011191. The next prime is 100100020011223. The reversal of 100100020011212 is 212110020001001.

It is a junction number, because it is equal to n+sod(n) for n = 100100020011193 and 100100020011202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771158 + ... + 14170205.

It is an arithmetic number, because the mean of its divisors is an integer number (7860479774714).

Almost surely, 2^{100100020011212} is an apocalyptic number.

It is an amenable number.

100100020011212 is a deficient number, since it is larger than the sum of its proper divisors (88551494581924).

100100020011212 is a wasteful number, since it uses less digits than its factorization.

100100020011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070217 (or 15070215 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100100020011212 its reverse (212110020001001), we get a palindrome (312210040012213).

The spelling of 100100020011212 in words is "one hundred trillion, one hundred billion, twenty million, eleven thousand, two hundred twelve".