12220002002220 has 48 divisors (see below), whose sum is σ = 34346104531200. Its totient is φ = 3246276826816.

The previous prime is 12220002002183. The next prime is 12220002002227. The reversal of 12220002002220 is 2220020002221.

It is a super-4 number, since 4×12220002002220⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12220002002220.

It is not an unprimeable number, because it can be changed into a prime (12220002002227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387183270 + ... + 387214829.

It is an arithmetic number, because the mean of its divisors is an integer number (715543844400).

Almost surely, 2^{12220002002220} is an apocalyptic number.

12220002002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220002002220 is an abundant number, since it is smaller than the sum of its proper divisors (22126102528980).

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

12220002002220 is a wasteful number, since it uses less digits than its factorization.

12220002002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774398374 (or 774398372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12220002002220 its reverse (2220020002221), we get a palindrome (14440022004441).

The spelling of 12220002002220 in words is "twelve trillion, two hundred twenty billion, two million, two thousand, two hundred twenty".