100100212212112 has 80 divisors (see below), whose sum is σ = 222984758062080. Its totient is φ = 42641857862784.

The previous prime is 100100212212107. The next prime is 100100212212163. The reversal of 100100212212112 is 211212212001001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789750439 + ... + 789877177.

It is an arithmetic number, because the mean of its divisors is an integer number (2787309475776).

Almost surely, 2^{100100212212112} is an apocalyptic number.

It is an amenable number.

100100212212112 is an abundant number, since it is smaller than the sum of its proper divisors (122884545849968).

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

100100212212112 is a wasteful number, since it uses less digits than its factorization.

100100212212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169148 (or 169142 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100100212212112 its reverse (211212212001001), we get a palindrome (311312424213113).

The spelling of 100100212212112 in words is "one hundred trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".