12130020220 has 24 divisors (see below), whose sum is σ = 25494994224. Its totient is φ = 4847826816.

The previous prime is 12130020197. The next prime is 12130020241. The reversal of 12130020220 is 2202003121.

12130020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12130020220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237489 + ... + 284008.

It is an arithmetic number, because the mean of its divisors is an integer number (1062291426).

Almost surely, 2^12130020220 is an apocalyptic number.

12130020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130020220 is an abundant number, since it is smaller than the sum of its proper divisors (13364974004).

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

12130020220 is a wasteful number, since it uses less digits than its factorization.

12130020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522669 (or 522667 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12130020220 its reverse (2202003121), we get a palindrome (14332023341).

The spelling of 12130020220 in words is "twelve billion, one hundred thirty million, twenty thousand, two hundred twenty".