9912212102 has 16 divisors (see below), whose sum is σ = 16036810272. Its totient is φ = 4567788480.

The previous prime is 9912212069. The next prime is 9912212129. The reversal of 9912212102 is 2012122199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277799 + ... + 311442.

It is an arithmetic number, because the mean of its divisors is an integer number (1002300642).

Almost surely, 2^9912212102 is an apocalyptic number.

9912212102 is a deficient number, since it is larger than the sum of its proper divisors (6124598170).

9912212102 is a wasteful number, since it uses less digits than its factorization.

9912212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589903.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 9912212102 is about 99560.0929187995. The cubic root of 9912212102 is about 2148.1117079727. Note that the first 3 decimals are identical.

The spelling of 9912212102 in words is "nine billion, nine hundred twelve million, two hundred twelve thousand, one hundred two".