12323312111312 has 20 divisors (see below), whose sum is σ = 23928663219396. Its totient is φ = 6148173216000.

The previous prime is 12323312111267. The next prime is 12323312111323. The reversal of 12323312111312 is 21311121332321.

It can be written as a sum of positive squares in 2 ways, for example, as 7063922102416 + 5259390008896 = 2657804^2 + 2293336^2 .

It is a super-2 number, since 2×12323312111312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842669939 + ... + 842684562.

Almost surely, 2^{12323312111312} is an apocalyptic number.

It is an amenable number.

12323312111312 is a deficient number, since it is larger than the sum of its proper divisors (11605351108084).

12323312111312 is a wasteful number, since it uses less digits than its factorization.

12323312111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685354966 (or 1685354960 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 12323312111312 its reverse (21311121332321), we get a palindrome (33634433443633).

The spelling of 12323312111312 in words is "twelve trillion, three hundred twenty-three billion, three hundred twelve million, one hundred eleven thousand, three hundred twelve".