12311322352 has 40 divisors (see below), whose sum is σ = 27328866912. Its totient is φ = 5263104000.

The previous prime is 12311322347. The next prime is 12311322371. The reversal of 12311322352 is 25322311321.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92149 + ... + 181972.

Almost surely, 2^12311322352 is an apocalyptic number.

It is an amenable number.

12311322352 is an abundant number, since it is smaller than the sum of its proper divisors (15017544560).

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

12311322352 is a wasteful number, since it uses less digits than its factorization.

12311322352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274537 (or 274531 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

Adding to 12311322352 its reverse (25322311321), we get a palindrome (37633633673).

The spelling of 12311322352 in words is "twelve billion, three hundred eleven million, three hundred twenty-two thousand, three hundred fifty-two".