12313312300 has 72 divisors (see below), whose sum is σ = 27413950256. Its totient is φ = 4797999360.

The previous prime is 12313312289. The next prime is 12313312309. The reversal of 12313312300 is 321331321.

It is not an unprimeable number, because it can be changed into a prime (12313312309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1703494 + ... + 1710706.

Almost surely, 2^12313312300 is an apocalyptic number.

12313312300 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 12313312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13706975128).

12313312300 is an abundant number, since it is smaller than the sum of its proper divisors (15100637956).

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

12313312300 is a wasteful number, since it uses less digits than its factorization.

12313312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12313312300 its reverse (321331321), we get a palindrome (12634643621).

The spelling of 12313312300 in words is "twelve billion, three hundred thirteen million, three hundred twelve thousand, three hundred".