100605612 has 12 divisors (see below), whose sum is σ = 234746456. Its totient is φ = 33535200.

The previous prime is 100605601. The next prime is 100605613. The reversal of 100605612 is 216506001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (100605613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191889 + ... + 4191912.

Almost surely, 2^100605612 is an apocalyptic number.

100605612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100605612 is an abundant number, since it is smaller than the sum of its proper divisors (134140844).

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

100605612 is a wasteful number, since it uses less digits than its factorization.

100605612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383808 (or 8383806 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100605612 is about 10030.2348925636. The cubic root of 100605612 is about 465.0939988026.

The spelling of 100605612 in words is "one hundred million, six hundred five thousand, six hundred twelve".