99988012 has 12 divisors (see below), whose sum is σ = 179247096. Its totient is φ = 48774560.

The previous prime is 99988003. The next prime is 99988019. The reversal of 99988012 is 21088999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99988019) 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, 304678 + ... + 305005.

It is an arithmetic number, because the mean of its divisors is an integer number (14937258).

Almost surely, 2^99988012 is an apocalyptic number.

It is an amenable number.

99988012 is a deficient number, since it is larger than the sum of its proper divisors (79259084).

99988012 is a wasteful number, since it uses less digits than its factorization.

99988012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609728 (or 609726 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 99988012 is about 9999.4005820349. The cubic root of 99988012 is about 464.1403348311.

The spelling of 99988012 in words is "ninety-nine million, nine hundred eighty-eight thousand, twelve".