1312162232 has 16 divisors (see below), whose sum is σ = 2467162800. Its totient is φ = 654252160.

The previous prime is 1312162207. The next prime is 1312162261. The reversal of 1312162232 is 2322612131.

It is a junction number, because it is equal to n+sod(n) for n = 1312162198 and 1312162207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225569 + ... + 231312.

It is an arithmetic number, because the mean of its divisors is an integer number (154197675).

Almost surely, 2^1312162232 is an apocalyptic number.

It is an amenable number.

1312162232 is a deficient number, since it is larger than the sum of its proper divisors (1155000568).

1312162232 is a wasteful number, since it uses less digits than its factorization.

1312162232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457246 (or 457242 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1312162232 is about 36223.7799242431. The cubic root of 1312162232 is about 1094.7858555540.

Adding to 1312162232 its reverse (2322612131), we get a palindrome (3634774363).

The spelling of 1312162232 in words is "one billion, three hundred twelve million, one hundred sixty-two thousand, two hundred thirty-two".