1312323233312 has 96 divisors (see below), whose sum is σ = 3185155338624. Its totient is φ = 518296320000.

The previous prime is 1312323233297. The next prime is 1312323233357. The reversal of 1312323233312 is 2133323232131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375187 + ... + 2125037.

It is an arithmetic number, because the mean of its divisors is an integer number (33178701444).

Almost surely, 2^{1312323233312} 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 1312323233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592577669312).

1312323233312 is an abundant number, since it is smaller than the sum of its proper divisors (1872832105312).

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

1312323233312 is a wasteful number, since it uses less digits than its factorization.

1312323233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750482 (or 750474 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

Adding to 1312323233312 its reverse (2133323232131), we get a palindrome (3445646465443).

The spelling of 1312323233312 in words is "one trillion, three hundred twelve billion, three hundred twenty-three million, two hundred thirty-three thousand, three hundred twelve".