99137963212 has 12 divisors (see below), whose sum is σ = 173493640096. Its totient is φ = 49568351760.

The previous prime is 99137963209. The next prime is 99137963219. The reversal of 99137963212 is 21236973199.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99137963212.

It is not an unprimeable number, because it can be changed into a prime (99137963219) 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, 537037 + ... + 697627.

Almost surely, 2^99137963212 is an apocalyptic number.

It is an amenable number.

99137963212 is a deficient number, since it is larger than the sum of its proper divisors (74355676884).

99137963212 is a wasteful number, since it uses less digits than its factorization.

99137963212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314928 (or 314926 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 52.

The spelling of 99137963212 in words is "ninety-nine billion, one hundred thirty-seven million, nine hundred sixty-three thousand, two hundred twelve".