1312040299 has 2 divisors, whose sum is σ = 1312040300. Its totient is φ = 1312040298.

The previous prime is 1312040293. The next prime is 1312040309. The reversal of 1312040299 is 9920402131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312040299 - 2¹¹ = 1312038251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312040299.

It is not a weakly prime, because it can be changed into another prime (1312040293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656020149 + 656020150.

It is an arithmetic number, because the mean of its divisors is an integer number (656020150).

Almost surely, 2^1312040299 is an apocalyptic number.

1312040299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312040299 is an equidigital number, since it uses as much as digits as its factorization.

1312040299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1312040299 is about 36222.0968332867. The cubic root of 1312040299 is about 1094.7519434214.

The spelling of 1312040299 in words is "one billion, three hundred twelve million, forty thousand, two hundred ninety-nine".