9999902202212 has 18 divisors (see below), whose sum is σ = 18949518819378. Its totient is φ = 4615339477632.

The previous prime is 9999902202203. The next prime is 9999902202223. The reversal of 9999902202212 is 2122022099999.

It can be written as a sum of positive squares in 3 ways, for example, as 453446011456 + 9546456190756 = 673384^2 + 3089734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7396376693 + ... + 7396378044.

It is an arithmetic number, because the mean of its divisors is an integer number (1052751045521).

Almost surely, 2^{9999902202212} is an apocalyptic number.

It is an amenable number.

9999902202212 is a deficient number, since it is larger than the sum of its proper divisors (8949616617166).

9999902202212 is a wasteful number, since it uses less digits than its factorization.

9999902202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14792754767 (or 14792754752 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 56.

The spelling of 9999902202212 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred two million, two hundred two thousand, two hundred twelve".