100812008 has 32 divisors (see below), whose sum is σ = 206889120. Its totient is φ = 45672000.

The previous prime is 100811999. The next prime is 100812011. The reversal of 100812008 is 800218001.

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, 27398 + ... + 30858.

It is an arithmetic number, because the mean of its divisors is an integer number (6465285).

Almost surely, 2^100812008 is an apocalyptic number.

It is an amenable number.

100812008 is an abundant number, since it is smaller than the sum of its proper divisors (106077112).

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

100812008 is a wasteful number, since it uses less digits than its factorization.

100812008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 100812008 is about 10040.5183133143. The cubic root of 100812008 is about 465.4118338586.

The spelling of 100812008 in words is "one hundred million, eight hundred twelve thousand, eight".