9912220112210 has 32 divisors (see below), whose sum is σ = 19218147464880. Its totient is φ = 3659193796608.

The previous prime is 9912220112177. The next prime is 9912220112213. The reversal of 9912220112210 is 122110222199.

It can be written as a sum of positive squares in 8 ways, for example, as 5274265916929 + 4637954195281 = 2296577^2 + 2153591^2 .

It is not an unprimeable number, because it can be changed into a prime (9912220112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6641687 + ... + 7996026.

Almost surely, 2^{9912220112210} is an apocalyptic number.

9912220112210 is a deficient number, since it is larger than the sum of its proper divisors (9305927352670).

9912220112210 is a wasteful number, since it uses less digits than its factorization.

9912220112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642942.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 9912220112210 in words is "nine trillion, nine hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".