1312012132 has 12 divisors (see below), whose sum is σ = 2370086656. Its totient is φ = 634844520.

The previous prime is 1312012129. The next prime is 1312012133. The reversal of 1312012132 is 2312102131.

It is not an unprimeable number, because it can be changed into a prime (1312012133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5290248 + ... + 5290495.

Almost surely, 2^1312012132 is an apocalyptic number.

It is an amenable number.

1312012132 is a deficient number, since it is larger than the sum of its proper divisors (1058074524).

1312012132 is a wasteful number, since it uses less digits than its factorization.

1312012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580778 (or 10580776 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1312012132 is about 36221.7080215718. The cubic root of 1312012132 is about 1094.7441092873.

Adding to 1312012132 its reverse (2312102131), we get a palindrome (3624114263).

It can be divided in two parts, 13120 and 12132, that added together give a palindrome (25252).

The spelling of 1312012132 in words is "one billion, three hundred twelve million, twelve thousand, one hundred thirty-two".