12110199966 has 24 divisors (see below), whose sum is σ = 26240810544. Its totient is φ = 4036418880.

The previous prime is 12110199961. The next prime is 12110200021. The reversal of 12110199966 is 66999101121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110199961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389695 + ... + 419621.

It is an arithmetic number, because the mean of its divisors is an integer number (1093367106).

Almost surely, 2^12110199966 is an apocalyptic number.

12110199966 is an abundant number, since it is smaller than the sum of its proper divisors (14130610578).

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

12110199966 is a wasteful number, since it uses less digits than its factorization.

12110199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52416 (or 52413 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 12110199966 in words is "twelve billion, one hundred ten million, one hundred ninety-nine thousand, nine hundred sixty-six".