1312303012 has 24 divisors (see below), whose sum is σ = 2384355960. Its totient is φ = 631223040.

The previous prime is 1312302941. The next prime is 1312303037. The reversal of 1312303012 is 2103032131.

It can be written as a sum of positive squares in 4 ways, for example, as 274432356 + 1037870656 = 16566^2 + 32216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11712 + ... + 52552.

It is an arithmetic number, because the mean of its divisors is an integer number (99348165).

Almost surely, 2^1312303012 is an apocalyptic number.

It is an amenable number.

1312303012 is a deficient number, since it is larger than the sum of its proper divisors (1072052948).

1312303012 is a wasteful number, since it uses less digits than its factorization.

1312303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41151 (or 41149 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1312303012 is about 36225.7230707684. The cubic root of 1312303012 is about 1094.8250068208.

Adding to 1312303012 its reverse (2103032131), we get a palindrome (3415335143).

The spelling of 1312303012 in words is "one billion, three hundred twelve million, three hundred three thousand, twelve".