12220233221220 has 24 divisors (see below), whose sum is σ = 34216653019584. Its totient is φ = 3258728858976.

The previous prime is 12220233221143. The next prime is 12220233221221. The reversal of 12220233221220 is 2212233202221.

It is not an unprimeable number, because it can be changed into a prime (12220233221221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101835276784 + ... + 101835276903.

It is an arithmetic number, because the mean of its divisors is an integer number (1425693875816).

Almost surely, 2^{12220233221220} is an apocalyptic number.

12220233221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220233221220 is an abundant number, since it is smaller than the sum of its proper divisors (21996419798364).

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

12220233221220 is a wasteful number, since it uses less digits than its factorization.

12220233221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203670553699 (or 203670553697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12220233221220 its reverse (2212233202221), we get a palindrome (14432466423441).

The spelling of 12220233221220 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty".