12303501320 has 128 divisors (see below), whose sum is σ = 31656096000. Its totient is φ = 4259988480.

The previous prime is 12303501311. The next prime is 12303501337. The reversal of 12303501320 is 2310530321.

It is a super-2 number, since 2×12303501320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12303501292 and 12303501301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2314826 + ... + 2320134.

It is an arithmetic number, because the mean of its divisors is an integer number (247313250).

Almost surely, 2^12303501320 is an apocalyptic number.

12303501320 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 12303501320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15828048000).

12303501320 is an abundant number, since it is smaller than the sum of its proper divisors (19352594680).

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

12303501320 is a wasteful number, since it uses less digits than its factorization.

12303501320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The spelling of 12303501320 in words is "twelve billion, three hundred three million, five hundred one thousand, three hundred twenty".