12231031110220 has 96 divisors (see below), whose sum is σ = 27868973690880. Its totient is φ = 4482232001280.

The previous prime is 12231031110191. The next prime is 12231031110251. The reversal of 12231031110220 is 2201113013221.

12231031110220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18872721 + ... + 19510039.

It is an arithmetic number, because the mean of its divisors is an integer number (290301809280).

Almost surely, 2^{12231031110220} is an apocalyptic number.

12231031110220 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 12231031110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13934486845440).

12231031110220 is an abundant number, since it is smaller than the sum of its proper divisors (15637942580660).

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

12231031110220 is a wasteful number, since it uses less digits than its factorization.

12231031110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637895 (or 637893 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12231031110220 its reverse (2201113013221), we get a palindrome (14432144123441).

The spelling of 12231031110220 in words is "twelve trillion, two hundred thirty-one billion, thirty-one million, one hundred ten thousand, two hundred twenty".