1312333012 has 6 divisors (see below), whose sum is σ = 2296582778. Its totient is φ = 656166504.

The previous prime is 1312332949. The next prime is 1312333019. The reversal of 1312333012 is 2103332131.

It can be written as a sum of positive squares in only one way, i.e., 1042256656 + 270076356 = 32284^2 + 16434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312333019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164041623 + ... + 164041630.

Almost surely, 2^1312333012 is an apocalyptic number.

It is an amenable number.

1312333012 is a deficient number, since it is larger than the sum of its proper divisors (984249766).

1312333012 is a wasteful number, since it uses less digits than its factorization.

1312333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328083257 (or 328083255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1312333012 is about 36226.1371388118. The cubic root of 1312333012 is about 1094.8333495333.

Adding to 1312333012 its reverse (2103332131), we get a palindrome (3415665143).

The spelling of 1312333012 in words is "one billion, three hundred twelve million, three hundred thirty-three thousand, twelve".