1312532330112 has 48 divisors (see below), whose sum is σ = 3776948505330. Its totient is φ = 437510776320.

The previous prime is 1312532330047. The next prime is 1312532330129. The reversal of 1312532330112 is 2110332352131.

1312532330112 is a `hidden beast` number, since 1 + 3 + 1 + 25 + 323 + 301 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 852490276416 + 460042053696 = 923304^2 + 678264^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1312532330112² (a number of 25 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 569674339 + ... + 569676642.

Almost surely, 2^{1312532330112} is an apocalyptic number.

1312532330112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312532330112 is an abundant number, since it is smaller than the sum of its proper divisors (2464416175218).

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

1312532330112 is a wasteful number, since it uses less digits than its factorization.

1312532330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139351001 (or 1139350986 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1312532330112 its reverse (2110332352131), we get a palindrome (3422864682243).

The spelling of 1312532330112 in words is "one trillion, three hundred twelve billion, five hundred thirty-two million, three hundred thirty thousand, one hundred twelve".