12220110988 has 6 divisors (see below), whose sum is σ = 21385194236. Its totient is φ = 6110055492.

The previous prime is 12220110983. The next prime is 12220110989. The reversal of 12220110988 is 88901102221.

It is a super-2 number, since 2×12220110988² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220110983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527513870 + ... + 1527513877.

Almost surely, 2^12220110988 is an apocalyptic number.

It is an amenable number.

12220110988 is a deficient number, since it is larger than the sum of its proper divisors (9165083248).

12220110988 is a wasteful number, since it uses less digits than its factorization.

12220110988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055027751 (or 3055027749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 12220110988 in words is "twelve billion, two hundred twenty million, one hundred ten thousand, nine hundred eighty-eight".