12308560320 has 448 divisors, whose sum is σ = 47651798016. Its totient is φ = 2627665920.

The previous prime is 12308560309. The next prime is 12308560321. The reversal of 12308560320 is 2306580321.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308560321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18620790 + ... + 18621450.

Almost surely, 2^12308560320 is an apocalyptic number.

12308560320 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 12308560320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23825899008).

12308560320 is an abundant number, since it is smaller than the sum of its proper divisors (35343237696).

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

12308560320 is a wasteful number, since it uses less digits than its factorization.

12308560320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12308560320 in words is "twelve billion, three hundred eight million, five hundred sixty thousand, three hundred twenty".