12130302320 has 20 divisors (see below), whose sum is σ = 28202953080. Its totient is φ = 4852120896.

The previous prime is 12130302319. The next prime is 12130302367. The reversal of 12130302320 is 2320303121.

It is a tau number, because it is divible by the number of its divisors (20).

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, 75814310 + ... + 75814469.

It is an arithmetic number, because the mean of its divisors is an integer number (1410147654).

Almost surely, 2^12130302320 is an apocalyptic number.

12130302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130302320 is an abundant number, since it is smaller than the sum of its proper divisors (16072650760).

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

12130302320 is a wasteful number, since it uses less digits than its factorization.

12130302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151628792 (or 151628786 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12130302320 its reverse (2320303121), we get a palindrome (14450605441).

The spelling of 12130302320 in words is "twelve billion, one hundred thirty million, three hundred two thousand, three hundred twenty".