99203712 has 64 divisors (see below), whose sum is σ = 277399200. Its totient is φ = 31325184.

The previous prime is 99203683. The next prime is 99203759. The reversal of 99203712 is 21730299.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 498 + ... + 14094.

Almost surely, 2^99203712 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 99203712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138699600).

99203712 is an abundant number, since it is smaller than the sum of its proper divisors (178195488).

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

99203712 is a wasteful number, since it uses less digits than its factorization.

99203712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633 (or 13621 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 99203712 is about 9960.1060235321. The cubic root of 99203712 is about 462.9235848618.

The spelling of 99203712 in words is "ninety-nine million, two hundred three thousand, seven hundred twelve".