12331120003220 has 96 divisors (see below), whose sum is σ = 26801853711360. Its totient is φ = 4760643870720.

The previous prime is 12331120003201. The next prime is 12331120003231. The reversal of 12331120003220 is 2230002113321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12331120003192 and 12331120003201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399580151 + ... + 399611009.

It is an arithmetic number, because the mean of its divisors is an integer number (279185976160).

Almost surely, 2^{12331120003220} is an apocalyptic number.

12331120003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12331120003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13400926855680).

12331120003220 is an abundant number, since it is smaller than the sum of its proper divisors (14470733708140).

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

12331120003220 is a wasteful number, since it uses less digits than its factorization.

12331120003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32593 (or 32591 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12331120003220 its reverse (2230002113321), we get a palindrome (14561122116541).

The spelling of 12331120003220 in words is "twelve trillion, three hundred thirty-one billion, one hundred twenty million, three thousand, two hundred twenty".