1312113230032 has 30 divisors (see below), whose sum is σ = 2794340317874. Its totient is φ = 596415103680.

The previous prime is 1312113230003. The next prime is 1312113230033. The reversal of 1312113230032 is 2300323112131.

It can be written as a sum of positive squares in only one way, i.e., 1275327524416 + 36785705616 = 1129304^2 + 191796^2 .

It is a super-2 number, since 2×1312113230032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1312113229985 and 1312113230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312113230033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338870283 + ... + 338874154.

Almost surely, 2^{1312113230032} is an apocalyptic number.

It is an amenable number.

1312113230032 is an abundant number, since it is smaller than the sum of its proper divisors (1482227087842).

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

1312113230032 is a wasteful number, since it uses less digits than its factorization.

1312113230032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677744467 (or 677744450 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1312113230032 its reverse (2300323112131), we get a palindrome (3612436342163).

The spelling of 1312113230032 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, two hundred thirty thousand, thirty-two".