99912112 has 20 divisors (see below), whose sum is σ = 195757560. Its totient is φ = 49394048.

The previous prime is 99912097. The next prime is 99912139. The reversal of 99912112 is 21121999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33658 + ... + 36505.

It is an arithmetic number, because the mean of its divisors is an integer number (9787878).

Almost surely, 2^99912112 is an apocalyptic number.

It is an amenable number.

99912112 is a deficient number, since it is larger than the sum of its proper divisors (95845448).

99912112 is a wasteful number, since it uses less digits than its factorization.

99912112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70260 (or 70254 counting only the distinct ones).

The product of its digits is 2916, while the sum is 34.

The square root of 99912112 is about 9995.6046340379. The cubic root of 99912112 is about 464.0228635186.

The spelling of 99912112 in words is "ninety-nine million, nine hundred twelve thousand, one hundred twelve".