12130310220 has 192 divisors, whose sum is σ = 43264005120. Its totient is φ = 2472173568.

The previous prime is 12130310219. The next prime is 12130310273. The reversal of 12130310220 is 2201303121.

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 12130310220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90952 + ... + 180368.

It is an arithmetic number, because the mean of its divisors is an integer number (225333360).

Almost surely, 2^12130310220 is an apocalyptic number.

12130310220 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 12130310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21632002560).

12130310220 is an abundant number, since it is smaller than the sum of its proper divisors (31133694900).

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

12130310220 is a wasteful number, since it uses less digits than its factorization.

12130310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89472 (or 89470 counting only the distinct ones).

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

Adding to 12130310220 its reverse (2201303121), we get a palindrome (14331613341).

The spelling of 12130310220 in words is "twelve billion, one hundred thirty million, three hundred ten thousand, two hundred twenty".