100212112112 has 20 divisors (see below), whose sum is σ = 221898248496. Its totient is φ = 42948048000.

The previous prime is 100212112079. The next prime is 100212112181. The reversal of 100212112112 is 211211212001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447375389 + ... + 447375612.

Almost surely, 2^100212112112 is an apocalyptic number.

It is an amenable number.

100212112112 is an abundant number, since it is smaller than the sum of its proper divisors (121686136384).

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

100212112112 is an equidigital number, since it uses as much as digits as its factorization.

100212112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894751016 (or 894751010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100212112112 its reverse (211211212001), we get a palindrome (311423324113).

The spelling of 100212112112 in words is "one hundred billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".