12110120220 has 48 divisors (see below), whose sum is σ = 36990914688. Its totient is φ = 2935786560.

The previous prime is 12110120189. The next prime is 12110120257. The reversal of 12110120220 is 2202101121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12110120196 and 12110120205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9173674 + ... + 9174993.

It is an arithmetic number, because the mean of its divisors is an integer number (770644056).

Almost surely, 2^12110120220 is an apocalyptic number.

12110120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110120220 is an abundant number, since it is smaller than the sum of its proper divisors (24880794468).

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

12110120220 is a wasteful number, since it uses less digits than its factorization.

12110120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348690 (or 18348688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110120220 its reverse (2202101121), we get a palindrome (14312221341).

The spelling of 12110120220 in words is "twelve billion, one hundred ten million, one hundred twenty thousand, two hundred twenty".