12232110220 has 72 divisors (see below), whose sum is σ = 28272488832. Its totient is φ = 4442127360.

The previous prime is 12232110199. The next prime is 12232110229. The reversal of 12232110220 is 2201123221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12232110194 and 12232110203.

It is not an unprimeable number, because it can be changed into a prime (12232110229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2085532 + ... + 2091388.

It is an arithmetic number, because the mean of its divisors is an integer number (392673456).

Almost surely, 2^12232110220 is an apocalyptic number.

12232110220 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 12232110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14136244416).

12232110220 is an abundant number, since it is smaller than the sum of its proper divisors (16040378612).

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

12232110220 is a wasteful number, since it uses less digits than its factorization.

12232110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12232110220 its reverse (2201123221), we get a palindrome (14433233441).

The spelling of 12232110220 in words is "twelve billion, two hundred thirty-two million, one hundred ten thousand, two hundred twenty".