100106661612 has 12 divisors (see below), whose sum is σ = 233582210456. Its totient is φ = 33368887200.

The previous prime is 100106661553. The next prime is 100106661659. The reversal of 100106661612 is 216166601001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 100106661612.

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, 4171110889 + ... + 4171110912.

Almost surely, 2^100106661612 is an apocalyptic number.

100106661612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100106661612 is an abundant number, since it is smaller than the sum of its proper divisors (133475548844).

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

100106661612 is a wasteful number, since it uses less digits than its factorization.

100106661612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342221808 (or 8342221806 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 100106661612 in words is "one hundred billion, one hundred six million, six hundred sixty-one thousand, six hundred twelve".