12313230312 has 16 divisors (see below), whose sum is σ = 30783075840. Its totient is φ = 4104410096.

The previous prime is 12313230301. The next prime is 12313230313. The reversal of 12313230312 is 21303231321.

It is not an unprimeable number, because it can be changed into a prime (12313230313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256525608 + ... + 256525655.

It is an arithmetic number, because the mean of its divisors is an integer number (1923942240).

Almost surely, 2^12313230312 is an apocalyptic number.

12313230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313230312 is an abundant number, since it is smaller than the sum of its proper divisors (18469845528).

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

12313230312 is a wasteful number, since it uses less digits than its factorization.

12313230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513051272 (or 513051268 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12313230312 its reverse (21303231321), we get a palindrome (33616461633).

The spelling of 12313230312 in words is "twelve billion, three hundred thirteen million, two hundred thirty thousand, three hundred twelve".