12220311332220 has 24 divisors (see below), whose sum is σ = 34216871730384. Its totient is φ = 3258749688576.

The previous prime is 12220311332137. The next prime is 12220311332239. The reversal of 12220311332220 is 2223311302221.

12220311332220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 101835927709 + ... + 101835927828.

It is an arithmetic number, because the mean of its divisors is an integer number (1425702988766).

Almost surely, 2^{12220311332220} is an apocalyptic number.

12220311332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220311332220 is an abundant number, since it is smaller than the sum of its proper divisors (21996560398164).

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

12220311332220 is a wasteful number, since it uses less digits than its factorization.

12220311332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203671855549 (or 203671855547 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12220311332220 its reverse (2223311302221), we get a palindrome (14443622634441).

The spelling of 12220311332220 in words is "twelve trillion, two hundred twenty billion, three hundred eleven million, three hundred thirty-two thousand, two hundred twenty".