12313322220012 has 96 divisors (see below), whose sum is σ = 31742419968000. Its totient is φ = 3683767963200.

The previous prime is 12313322219983. The next prime is 12313322220029. The reversal of 12313322220012 is 21002222331321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143853187 + ... + 143938757.

It is an arithmetic number, because the mean of its divisors is an integer number (330650208000).

Almost surely, 2^{12313322220012} is an apocalyptic number.

12313322220012 is a gapful number since it is divisible by the number (12) 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 12313322220012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15871209984000).

12313322220012 is an abundant number, since it is smaller than the sum of its proper divisors (19429097747988).

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

12313322220012 is a wasteful number, since it uses less digits than its factorization.

12313322220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99467 (or 99465 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12313322220012 its reverse (21002222331321), we get a palindrome (33315544551333).

The spelling of 12313322220012 in words is "twelve trillion, three hundred thirteen billion, three hundred twenty-two million, two hundred twenty thousand, twelve".