12220120202220 has 72 divisors (see below), whose sum is σ = 42363083372064. Its totient is φ = 2793170331648.

The previous prime is 12220120202219. The next prime is 12220120202237. The reversal of 12220120202220 is 2220202102221.

12220120202220 is a `hidden beast` number, since 1 + 2 + 220 + 1 + 20 + 202 + 220 = 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 = 12220120202193 and 12220120202202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4849252789 + ... + 4849255308.

Almost surely, 2^{12220120202220} is an apocalyptic number.

12220120202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220120202220 is an abundant number, since it is smaller than the sum of its proper divisors (30142963169844).

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

12220120202220 is a wasteful number, since it uses less digits than its factorization.

12220120202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698508119 (or 9698508114 counting only the distinct ones).

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

Adding to 12220120202220 its reverse (2220202102221), we get a palindrome (14440322304441).

The spelling of 12220120202220 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred twenty".