109899912 has 32 divisors (see below), whose sum is σ = 280598400. Its totient is φ = 35853504.

The previous prime is 109899887. The next prime is 109899931. The reversal of 109899912 is 219998901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47587 + ... + 49842.

It is an arithmetic number, because the mean of its divisors is an integer number (8768700).

Almost surely, 2^109899912 is an apocalyptic number.

109899912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109899912 is an abundant number, since it is smaller than the sum of its proper divisors (170698488).

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

109899912 is a wasteful number, since it uses less digits than its factorization.

109899912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97485 (or 97481 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 48.

The square root of 109899912 is about 10483.3158876378. The cubic root of 109899912 is about 478.9966192958.

The spelling of 109899912 in words is "one hundred nine million, eight hundred ninety-nine thousand, nine hundred twelve".