99120112 has 80 divisors (see below), whose sum is σ = 248872960. Its totient is φ = 37138176.

The previous prime is 99120067. The next prime is 99120121. The reversal of 99120112 is 21102199.

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, 25873 + ... + 29455.

It is an arithmetic number, because the mean of its divisors is an integer number (3110912).

Almost surely, 2^99120112 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 99120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124436480).

99120112 is an abundant number, since it is smaller than the sum of its proper divisors (149752848).

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

99120112 is a wasteful number, since it uses less digits than its factorization.

99120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 99120112 is about 9955.9083965252. The cubic root of 99120112 is about 462.7935114768.

The spelling of 99120112 in words is "ninety-nine million, one hundred twenty thousand, one hundred twelve".