12313312101232 has 80 divisors (see below), whose sum is σ = 25214439029760. Its totient is φ = 5815656693504.

The previous prime is 12313312101199. The next prime is 12313312101257. The reversal of 12313312101232 is 23210121331321.

It is a super-2 number, since 2×12313312101232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313312101197 and 12313312101206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57619123 + ... + 57832429.

It is an arithmetic number, because the mean of its divisors is an integer number (315180487872).

Almost surely, 2^{12313312101232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12313312101232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12607219514880).

12313312101232 is an abundant number, since it is smaller than the sum of its proper divisors (12901126928528).

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

12313312101232 is a wasteful number, since it uses less digits than its factorization.

12313312101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216038 (or 216032 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12313312101232 its reverse (23210121331321), we get a palindrome (35523433432553).

The spelling of 12313312101232 in words is "twelve trillion, three hundred thirteen billion, three hundred twelve million, one hundred one thousand, two hundred thirty-two".