99612912 has 80 divisors (see below), whose sum is σ = 304266240. Its totient is φ = 27476736.

The previous prime is 99612901. The next prime is 99612937. The reversal of 99612912 is 21921699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4633 + ... + 14855.

It is an arithmetic number, because the mean of its divisors is an integer number (3803328).

Almost surely, 2^99612912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99612912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152133120).

99612912 is an abundant number, since it is smaller than the sum of its proper divisors (204653328).

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

99612912 is a wasteful number, since it uses less digits than its factorization.

99612912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270 (or 10264 counting only the distinct ones).

The product of its digits is 17496, while the sum is 39.

The square root of 99612912 is about 9980.6268340220. The cubic root of 99612912 is about 463.5592078242.

The spelling of 99612912 in words is "ninety-nine million, six hundred twelve thousand, nine hundred twelve".