99812108 has 24 divisors (see below), whose sum is σ = 191059344. Its totient is φ = 45248000.

The previous prime is 99812101. The next prime is 99812123. The reversal of 99812108 is 80121899.

It is not an unprimeable number, because it can be changed into a prime (99812101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14816 + ... + 20472.

It is an arithmetic number, because the mean of its divisors is an integer number (7960806).

Almost surely, 2^99812108 is an apocalyptic number.

It is an amenable number.

99812108 is a deficient number, since it is larger than the sum of its proper divisors (91247236).

99812108 is a wasteful number, since it uses less digits than its factorization.

99812108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073 (or 6071 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 99812108 is about 9990.6009829239. The cubic root of 99812108 is about 463.8679952970.

The spelling of 99812108 in words is "ninety-nine million, eight hundred twelve thousand, one hundred eight".