99628071312 has 640 divisors, whose sum is σ = 346016710656. Its totient is φ = 23950080000.

The previous prime is 99628071307. The next prime is 99628071329. The reversal of 99628071312 is 21317082699.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 300990987 + ... + 300991317.

Almost surely, 2^99628071312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99628071312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173008355328).

99628071312 is an abundant number, since it is smaller than the sum of its proper divisors (246388639344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99628071312 is a wasteful number, since it uses less digits than its factorization.

99628071312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 99628071312 in words is "ninety-nine billion, six hundred twenty-eight million, seventy-one thousand, three hundred twelve".