99312118 has 4 divisors (see below), whose sum is σ = 148968180. Its totient is φ = 49656058.

The previous prime is 99312097. The next prime is 99312121. The reversal of 99312118 is 81121399.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 24828028 + ... + 24828031.

It is an arithmetic number, because the mean of its divisors is an integer number (37242045).

Almost surely, 2^99312118 is an apocalyptic number.

99312118 is a deficient number, since it is larger than the sum of its proper divisors (49656062).

99312118 is a wasteful number, since it uses less digits than its factorization.

99312118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49656061.

The product of its digits is 3888, while the sum is 34.

The square root of 99312118 is about 9965.5465479822. The cubic root of 99312118 is about 463.0921451727.

The spelling of 99312118 in words is "ninety-nine million, three hundred twelve thousand, one hundred eighteen".