12220012002020 has 48 divisors (see below), whose sum is σ = 26288384694768. Its totient is φ = 4768702371840.

The previous prime is 12220012001993. The next prime is 12220012002041. The reversal of 12220012002020 is 2020021002221.

It can be written as a sum of positive squares in 8 ways, for example, as 8523690455296 + 3696321546724 = 2919536^2 + 1922582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12220012001986 and 12220012002004.

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, 70870952 + ... + 71043168.

It is an arithmetic number, because the mean of its divisors is an integer number (547674681141).

Almost surely, 2^{12220012002020} is an apocalyptic number.

12220012002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220012002020 is an abundant number, since it is smaller than the sum of its proper divisors (14068372692748).

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

12220012002020 is a wasteful number, since it uses less digits than its factorization.

12220012002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258800 (or 258798 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220012002020 its reverse (2020021002221), we get a palindrome (14240033004241).

The spelling of 12220012002020 in words is "twelve trillion, two hundred twenty billion, twelve million, two thousand, twenty".