1312313212332 has 36 divisors (see below), whose sum is σ = 3321761803360. Its totient is φ = 436840951392.

The previous prime is 1312313212319. The next prime is 1312313212337. The reversal of 1312313212332 is 2332123132131.

1312313212332 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 1 + 321 + 2 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1312313212332² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1312313212296 and 1312313212305.

It is not an unprimeable number, because it can be changed into a prime (1312313212337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24839332 + ... + 24892107.

Almost surely, 2^{1312313212332} is an apocalyptic number.

1312313212332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312313212332 is an abundant number, since it is smaller than the sum of its proper divisors (2009448591028).

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

1312313212332 is a wasteful number, since it uses less digits than its factorization.

1312313212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49732182 (or 49732177 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1312313212332 its reverse (2332123132131), we get a palindrome (3644436344463).

The spelling of 1312313212332 in words is "one trillion, three hundred twelve billion, three hundred thirteen million, two hundred twelve thousand, three hundred thirty-two".