100002122112 has 32 divisors (see below), whose sum is σ = 265630637880. Its totient is φ = 33334040576.

The previous prime is 100002122021. The next prime is 100002122159. The reversal of 100002122112 is 211221200001.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 130210713 + ... + 130211480.

Almost surely, 2^100002122112 is an apocalyptic number.

100002122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100002122112 is an abundant number, since it is smaller than the sum of its proper divisors (165628515768).

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

100002122112 is an equidigital number, since it uses as much as digits as its factorization.

100002122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260422210 (or 260422198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100002122112 its reverse (211221200001), we get a palindrome (311223322113).

The spelling of 100002122112 in words is "one hundred billion, two million, one hundred twenty-two thousand, one hundred twelve".