100112212220012 has 24 divisors (see below), whose sum is σ = 175704210037440. Its totient is φ = 49911014197520.

The previous prime is 100112212220003. The next prime is 100112212220077. The reversal of 100112212220012 is 210022212211001.

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, 86618687 + ... + 87766857.

It is an arithmetic number, because the mean of its divisors is an integer number (7321008751560).

Almost surely, 2^{100112212220012} is an apocalyptic number.

It is an amenable number.

100112212220012 is a deficient number, since it is larger than the sum of its proper divisors (75591997817428).

100112212220012 is a wasteful number, since it uses less digits than its factorization.

100112212220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211341 (or 1211339 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100112212220012 its reverse (210022212211001), we get a palindrome (310134424431013).

The spelling of 100112212220012 in words is "one hundred trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty thousand, twelve".