12220112102020 has 12 divisors (see below), whose sum is σ = 25662235414284. Its totient is φ = 4888044840800.

The previous prime is 12220112101997. The next prime is 12220112102027. The reversal of 12220112102020 is 2020121102221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6124625140804 + 6095486961216 = 2474798^2 + 2468904^2 .

It is a super-2 number, since 2×12220112102020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220112101985 and 12220112102003.

It is not an unprimeable number, because it can be changed into a prime (12220112102027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305502802531 + ... + 305502802570.

It is an arithmetic number, because the mean of its divisors is an integer number (2138519617857).

Almost surely, 2^{12220112102020} is an apocalyptic number.

12220112102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220112102020 is an abundant number, since it is smaller than the sum of its proper divisors (13442123312264).

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

12220112102020 is a wasteful number, since it uses less digits than its factorization.

12220112102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611005605110 (or 611005605108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220112102020 its reverse (2020121102221), we get a palindrome (14240233204241).

The spelling of 12220112102020 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, one hundred two thousand, twenty".