12301120320 has 56 divisors (see below), whose sum is σ = 39056060064. Its totient is φ = 3280298496.

The previous prime is 12301120319. The next prime is 12301120333. The reversal of 12301120320 is 2302110321.

It is a super-2 number, since 2×12301120320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12301120320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405874 + ... + 6407793.

It is an arithmetic number, because the mean of its divisors is an integer number (697429644).

Almost surely, 2^12301120320 is an apocalyptic number.

12301120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12301120320 is an abundant number, since it is smaller than the sum of its proper divisors (26754939744).

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

12301120320 is a wasteful number, since it uses less digits than its factorization.

12301120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813687 (or 12813677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12301120320 its reverse (2302110321), we get a palindrome (14603230641).

Subtracting from 12301120320 its reverse (2302110321), we obtain a palindrome (9999009999).

The spelling of 12301120320 in words is "twelve billion, three hundred one million, one hundred twenty thousand, three hundred twenty".