99510212 has 12 divisors (see below), whose sum is σ = 174701436. Its totient is φ = 49595520.

The previous prime is 99510193. The next prime is 99510227. The reversal of 99510212 is 21201599.

It can be written as a sum of positive squares in 2 ways, for example, as 17172736 + 82337476 = 4144^2 + 9074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38489 + ... + 40992.

It is an arithmetic number, because the mean of its divisors is an integer number (14558453).

Almost surely, 2^99510212 is an apocalyptic number.

It is an amenable number.

99510212 is a deficient number, since it is larger than the sum of its proper divisors (75191224).

99510212 is a wasteful number, since it uses less digits than its factorization.

99510212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79798 (or 79796 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 99510212 is about 9975.4805398036. The cubic root of 99510212 is about 463.3998446117.

The spelling of 99510212 in words is "ninety-nine million, five hundred ten thousand, two hundred twelve".