12320130020 has 48 divisors (see below), whose sum is σ = 28233273600. Its totient is φ = 4478622720.

The previous prime is 12320129989. The next prime is 12320130041. The reversal of 12320130020 is 2003102321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12320129977 and 12320130004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890516 + ... + 904244.

It is an arithmetic number, because the mean of its divisors is an integer number (588193200).

Almost surely, 2^12320130020 is an apocalyptic number.

12320130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320130020 is an abundant number, since it is smaller than the sum of its proper divisors (15913143580).

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

12320130020 is a wasteful number, since it uses less digits than its factorization.

12320130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828 (or 17826 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12320130020 its reverse (2003102321), we get a palindrome (14323232341).

The spelling of 12320130020 in words is "twelve billion, three hundred twenty million, one hundred thirty thousand, twenty".