12022911198 has 24 divisors (see below), whose sum is σ = 26655448248. Its totient is φ = 3914435952.

The previous prime is 12022911157. The next prime is 12022911203. The reversal of 12022911198 is 89111922021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7765965 + ... + 7767512.

It is an arithmetic number, because the mean of its divisors is an integer number (1110643677).

Almost surely, 2^12022911198 is an apocalyptic number.

12022911198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12022911198 is an abundant number, since it is smaller than the sum of its proper divisors (14632537050).

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

12022911198 is a wasteful number, since it uses less digits than its factorization.

12022911198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15533528 (or 15533525 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 12022911198 in words is "twelve billion, twenty-two million, nine hundred eleven thousand, one hundred ninety-eight".