12231130220 has 24 divisors (see below), whose sum is σ = 25697516208. Its totient is φ = 4890139200.

The previous prime is 12231130213. The next prime is 12231130229. The reversal of 12231130220 is 2203113221.

It is not an unprimeable number, because it can be changed into a prime (12231130229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100871 + ... + 186110.

It is an arithmetic number, because the mean of its divisors is an integer number (1070729842).

Almost surely, 2^12231130220 is an apocalyptic number.

12231130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231130220 is an abundant number, since it is smaller than the sum of its proper divisors (13466385988).

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

12231130220 is a wasteful number, since it uses less digits than its factorization.

12231130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289121 (or 289119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12231130220 its reverse (2203113221), we get a palindrome (14434243441).

The spelling of 12231130220 in words is "twelve billion, two hundred thirty-one million, one hundred thirty thousand, two hundred twenty".