100108912 has 20 divisors (see below), whose sum is σ = 195360760. Its totient is φ = 49693248.

The previous prime is 100108909. The next prime is 100108913. The reversal of 100108912 is 219801001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100108913) 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, 20283 + ... + 24730.

It is an arithmetic number, because the mean of its divisors is an integer number (9768038).

Almost surely, 2^100108912 is an apocalyptic number.

It is an amenable number.

100108912 is a deficient number, since it is larger than the sum of its proper divisors (95251848).

100108912 is a wasteful number, since it uses less digits than its factorization.

100108912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45160 (or 45154 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 100108912 is about 10005.4441180789. Note that the first 3 decimals coincide. The cubic root of 100108912 is about 464.3273304640.

Adding to 100108912 its reverse (219801001), we get a palindrome (319909913).

The spelling of 100108912 in words is "one hundred million, one hundred eight thousand, nine hundred twelve".