12130144220 has 12 divisors (see below), whose sum is σ = 25473302904. Its totient is φ = 4852057680.

The previous prime is 12130144219. The next prime is 12130144241. The reversal of 12130144220 is 2244103121.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 606507211 = 12130144220 / (1 + 2 + 1 + 3 + 0 + 1 + 4 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12130144192 and 12130144201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303253586 + ... + 303253625.

It is an arithmetic number, because the mean of its divisors is an integer number (2122775242).

Almost surely, 2^12130144220 is an apocalyptic number.

12130144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130144220 is an abundant number, since it is smaller than the sum of its proper divisors (13343158684).

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

12130144220 is a wasteful number, since it uses less digits than its factorization.

12130144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606507220 (or 606507218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12130144220 its reverse (2244103121), we get a palindrome (14374247341).

The spelling of 12130144220 in words is "twelve billion, one hundred thirty million, one hundred forty-four thousand, two hundred twenty".