99122812 has 24 divisors (see below), whose sum is σ = 183274560. Its totient is φ = 46831680.

The previous prime is 99122797. The next prime is 99122819. The reversal of 99122812 is 21822199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99122819) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3639 + ... + 14542.

It is an arithmetic number, because the mean of its divisors is an integer number (7636440).

Almost surely, 2^99122812 is an apocalyptic number.

It is an amenable number.

99122812 is a deficient number, since it is larger than the sum of its proper divisors (84151748).

99122812 is a wasteful number, since it uses less digits than its factorization.

99122812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18261 (or 18259 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 99122812 is about 9956.0439934745. The cubic root of 99122812 is about 462.7977135541.

The spelling of 99122812 in words is "ninety-nine million, one hundred twenty-two thousand, eight hundred twelve".