100112220012 has 96 divisors (see below), whose sum is σ = 283026042880. Its totient is φ = 26932642560.

The previous prime is 100112220011. The next prime is 100112220041. The reversal of 100112220012 is 210022211001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100112220012.

It is not an unprimeable number, because it can be changed into a prime (100112220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423187 + ... + 615882.

Almost surely, 2^100112220012 is an apocalyptic number.

100112220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100112220012 is an abundant number, since it is smaller than the sum of its proper divisors (182913822868).

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

100112220012 is a wasteful number, since it uses less digits than its factorization.

100112220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039151 (or 1039149 counting only the distinct ones).

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

Adding to 100112220012 its reverse (210022211001), we get a palindrome (310134431013).

The spelling of 100112220012 in words is "one hundred billion, one hundred twelve million, two hundred twenty thousand, twelve".