1312302412 has 12 divisors (see below), whose sum is σ = 2417399320. Its totient is φ = 621616896.

The previous prime is 1312302379. The next prime is 1312302449. The reversal of 1312302412 is 2142032131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1312302412.

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, 8633493 + ... + 8633644.

Almost surely, 2^1312302412 is an apocalyptic number.

It is an amenable number.

1312302412 is a deficient number, since it is larger than the sum of its proper divisors (1105096908).

1312302412 is a wasteful number, since it uses less digits than its factorization.

1312302412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17267160 (or 17267158 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312302412 is about 36225.7147893592. The cubic root of 1312302412 is about 1094.8248399653.

Adding to 1312302412 its reverse (2142032131), we get a palindrome (3454334543).

The spelling of 1312302412 in words is "one billion, three hundred twelve million, three hundred two thousand, four hundred twelve".