12220232320220 has 24 divisors (see below), whose sum is σ = 25849805307984. Its totient is φ = 4852413416576.

The previous prime is 12220232320217. The next prime is 12220232320249. The reversal of 12220232320220 is 2202323202221.

It is a super-5 number, since 5×12220232320220⁵ (a number of 67 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229966662 + ... + 2229972141.

It is an arithmetic number, because the mean of its divisors is an integer number (1077075221166).

Almost surely, 2^{12220232320220} is an apocalyptic number.

12220232320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220232320220 is an abundant number, since it is smaller than the sum of its proper divisors (13629572987764).

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

12220232320220 is a wasteful number, since it uses less digits than its factorization.

12220232320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459938949 (or 4459938947 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12220232320220 its reverse (2202323202221), we get a palindrome (14422555522441).

The spelling of 12220232320220 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-two million, three hundred twenty thousand, two hundred twenty".