212012100112 has 160 divisors (see below), whose sum is σ = 439365378816. Its totient is φ = 98985369600.

The previous prime is 212012100103. The next prime is 212012100169. The reversal of 212012100112 is 211001210212.

212012100112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212012100092 and 212012100101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261420187 + ... + 261420997.

Almost surely, 2^212012100112 is an apocalyptic number.

It is an amenable number.

212012100112 is an abundant number, since it is smaller than the sum of its proper divisors (227353278704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012100112 is a wasteful number, since it uses less digits than its factorization.

212012100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212012100112 its reverse (211001210212), we get a palindrome (423013310324).

The spelling of 212012100112 in words is "two hundred twelve billion, twelve million, one hundred thousand, one hundred twelve".