99412312 has 16 divisors (see below), whose sum is σ = 189915840. Its totient is φ = 48768096.

The previous prime is 99412231. The next prime is 99412321. The reversal of 99412312 is 21321499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116808 + ... + 117655.

It is an arithmetic number, because the mean of its divisors is an integer number (11869740).

Almost surely, 2^99412312 is an apocalyptic number.

It is an amenable number.

99412312 is a deficient number, since it is larger than the sum of its proper divisors (90503528).

99412312 is a wasteful number, since it uses less digits than its factorization.

99412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234522 (or 234518 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 99412312 is about 9970.5723005252. The cubic root of 99412312 is about 463.2478276157.

The spelling of 99412312 in words is "ninety-nine million, four hundred twelve thousand, three hundred twelve".