99572831570312 has 8 divisors (see below), whose sum is σ = 186699059194350. Its totient is φ = 49786415785152.

The previous prime is 99572831570273. The next prime is 99572831570327. The reversal of 99572831570312 is 21307513827599.

It can be written as a sum of positive squares in only one way, i.e., 93607289107396 + 5965542462916 = 9675086^2 + 2442446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×99572831570312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6223301973137 + ... + 6223301973152.

Almost surely, 2^{99572831570312} is an apocalyptic number.

It is an amenable number.

99572831570312 is a deficient number, since it is larger than the sum of its proper divisors (87126227624038).

99572831570312 is a wasteful number, since it uses less digits than its factorization.

99572831570312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446603946295 (or 12446603946291 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 62.

The spelling of 99572831570312 in words is "ninety-nine trillion, five hundred seventy-two billion, eight hundred thirty-one million, five hundred seventy thousand, three hundred twelve".