1312214132 has 12 divisors (see below), whose sum is σ = 2299157280. Its totient is φ = 655312056.

The previous prime is 1312214087. The next prime is 1312214171. The reversal of 1312214132 is 2314122131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195032 + ... + 201647.

It is an arithmetic number, because the mean of its divisors is an integer number (191596440).

Almost surely, 2^1312214132 is an apocalyptic number.

It is an amenable number.

1312214132 is a deficient number, since it is larger than the sum of its proper divisors (986943148).

1312214132 is a wasteful number, since it uses less digits than its factorization.

1312214132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397510 (or 397508 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1312214132 is about 36224.4962973952. The cubic root of 1312214132 is about 1094.8002893985.

Adding to 1312214132 its reverse (2314122131), we get a palindrome (3626336263).

The spelling of 1312214132 in words is "one billion, three hundred twelve million, two hundred fourteen thousand, one hundred thirty-two".