99999112 has 16 divisors (see below), whose sum is σ = 188931600. Its totient is φ = 49617360.

The previous prime is 99999103. The next prime is 99999113. The reversal of 99999112 is 21199999.

It is not an unprimeable number, because it can be changed into a prime (99999113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46662 + ... + 48757.

It is an arithmetic number, because the mean of its divisors is an integer number (11808225).

Almost surely, 2^99999112 is an apocalyptic number.

It is an amenable number.

99999112 is a deficient number, since it is larger than the sum of its proper divisors (88932488).

99999112 is a wasteful number, since it uses less digits than its factorization.

99999112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95556 (or 95552 counting only the distinct ones).

The product of its digits is 118098, while the sum is 49.

The square root of 99999112 is about 9999.9555999014. The cubic root of 99999112 is about 464.1575094469.

The spelling of 99999112 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred twelve".