12220012202220 has 144 divisors (see below), whose sum is σ = 38071218931200. Its totient is φ = 3170428881408.

The previous prime is 12220012202197. The next prime is 12220012202227. The reversal of 12220012202220 is 2220221002221.

12220012202220 is a `hidden beast` number, since 1 + 2 + 220 + 0 + 1 + 220 + 2 + 220 = 666.

12220012202220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12220012202193 and 12220012202202.

It is not an unprimeable number, because it can be changed into a prime (12220012202227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168788149 + ... + 168860531.

It is an arithmetic number, because the mean of its divisors is an integer number (264383464800).

Almost surely, 2^{12220012202220} is an apocalyptic number.

12220012202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220012202220 is an abundant number, since it is smaller than the sum of its proper divisors (25851206728980).

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

12220012202220 is a wasteful number, since it uses less digits than its factorization.

12220012202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97784 (or 97779 counting only the distinct ones).

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

Adding to 12220012202220 its reverse (2220221002221), we get a palindrome (14440233204441).

The spelling of 12220012202220 in words is "twelve trillion, two hundred twenty billion, twelve million, two hundred two thousand, two hundred twenty".