12212110198 has 16 divisors (see below), whose sum is σ = 19368760320. Its totient is φ = 5758739496.

The previous prime is 12212110193. The next prime is 12212110223. The reversal of 12212110198 is 89101121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212110193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712090 + ... + 729037.

It is an arithmetic number, because the mean of its divisors is an integer number (1210547520).

Almost surely, 2^12212110198 is an apocalyptic number.

12212110198 is a deficient number, since it is larger than the sum of its proper divisors (7156650122).

12212110198 is a wasteful number, since it uses less digits than its factorization.

12212110198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441371.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 12212110198 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, one hundred ninety-eight".