12220112222020 has 12 divisors (see below), whose sum is σ = 25662235666284. Its totient is φ = 4888044888800.

The previous prime is 12220112221991. The next prime is 12220112222057. The reversal of 12220112222020 is 2022221102221.

It can be written as a sum of positive squares in 2 ways, for example, as 5482931332356 + 6737180889664 = 2341566^2 + 2595608^2 .

It is a super-2 number, since 2×12220112222020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305502805531 + ... + 305502805570.

It is an arithmetic number, because the mean of its divisors is an integer number (2138519638857).

Almost surely, 2^{12220112222020} is an apocalyptic number.

12220112222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220112222020 is an abundant number, since it is smaller than the sum of its proper divisors (13442123444264).

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

12220112222020 is a wasteful number, since it uses less digits than its factorization.

12220112222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611005611110 (or 611005611108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220112222020 its reverse (2022221102221), we get a palindrome (14242333324241).

The spelling of 12220112222020 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, twenty".