99412798312 has 32 divisors (see below), whose sum is σ = 192846578400. Its totient is φ = 47987400384.

The previous prime is 99412798259. The next prime is 99412798337. The reversal of 99412798312 is 21389721499.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252043 + ... + 3282469.

It is an arithmetic number, because the mean of its divisors is an integer number (6026455575).

Almost surely, 2^99412798312 is an apocalyptic number.

It is an amenable number.

99412798312 is a deficient number, since it is larger than the sum of its proper divisors (93433780088).

99412798312 is a wasteful number, since it uses less digits than its factorization.

99412798312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44545 (or 44541 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The spelling of 99412798312 in words is "ninety-nine billion, four hundred twelve million, seven hundred ninety-eight thousand, three hundred twelve".