12312320300 has 36 divisors (see below), whose sum is σ = 30534556080. Its totient is φ = 4221366720.

The previous prime is 12312320297. The next prime is 12312320309. The reversal of 12312320300 is 302321321.

It is not an unprimeable number, because it can be changed into a prime (12312320309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8793815 + ... + 8795214.

Almost surely, 2^12312320300 is an apocalyptic number.

12312320300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312320300 is an abundant number, since it is smaller than the sum of its proper divisors (18222235780).

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

12312320300 is a wasteful number, since it uses less digits than its factorization.

12312320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589050 (or 17589043 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12312320300 its reverse (302321321), we get a palindrome (12614641621).

The spelling of 12312320300 in words is "twelve billion, three hundred twelve million, three hundred twenty thousand, three hundred".