9999910202212 has 24 divisors (see below), whose sum is σ = 20869377814656. Its totient is φ = 4099342070208.

The previous prime is 9999910202201. The next prime is 9999910202323. The reversal of 9999910202212 is 2122020199999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7763904793 + ... + 7763906080.

It is an arithmetic number, because the mean of its divisors is an integer number (869557408944).

Almost surely, 2^{9999910202212} is an apocalyptic number.

9999910202212 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9999910202212 is an abundant number, since it is smaller than the sum of its proper divisors (10869467612444).

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

9999910202212 is a wasteful number, since it uses less digits than its factorization.

9999910202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527810907 (or 15527810905 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 55.

The spelling of 9999910202212 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ten million, two hundred two thousand, two hundred twelve".