99912700 has 36 divisors (see below), whose sum is σ = 217807240. Its totient is φ = 39781440.

The previous prime is 99912671. The next prime is 99912719. The reversal of 99912700 is 721999.

It is a self number, because there is not a number n which added to its sum of digits gives 99912700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20719 + ... + 25081.

Almost surely, 2^99912700 is an apocalyptic number.

It is an amenable number.

99912700 is an abundant number, since it is smaller than the sum of its proper divisors (117894540).

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

99912700 is a wasteful number, since it uses less digits than its factorization.

99912700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4599 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 99912700 is about 9995.6340469227. The cubic root of 99912700 is about 464.0237738017.

The spelling of 99912700 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred".