12220122202020 has 72 divisors (see below), whose sum is σ = 37123952785920. Its totient is φ = 3253754306880.

The previous prime is 12220122202019. The next prime is 12220122202109. The reversal of 12220122202020 is 2020222102221.

12220122202020 is a `hidden beast` number, since 12 + 220 + 12 + 220 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12220122201984 and 12220122202002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51390916 + ... + 51628155.

It is an arithmetic number, because the mean of its divisors is an integer number (515610455360).

Almost surely, 2^{12220122202020} is an apocalyptic number.

12220122202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220122202020 is an abundant number, since it is smaller than the sum of its proper divisors (24903830583900).

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

12220122202020 is a wasteful number, since it uses less digits than its factorization.

12220122202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103019745 (or 103019740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12220122202020 its reverse (2020222102221), we get a palindrome (14240344304241).

The spelling of 12220122202020 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, two hundred two thousand, twenty".