12331100220 has 48 divisors (see below), whose sum is σ = 34537832448. Its totient is φ = 3287269440.

The previous prime is 12331100219. The next prime is 12331100251. The reversal of 12331100220 is 2200113321.

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 12331100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173157 + ... + 233763.

It is an arithmetic number, because the mean of its divisors is an integer number (719538176).

Almost surely, 2^12331100220 is an apocalyptic number.

12331100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331100220 is an abundant number, since it is smaller than the sum of its proper divisors (22206732228).

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

12331100220 is a wasteful number, since it uses less digits than its factorization.

12331100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64010 (or 64008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12331100220 its reverse (2200113321), we get a palindrome (14531213541).

The spelling of 12331100220 in words is "twelve billion, three hundred thirty-one million, one hundred thousand, two hundred twenty".