1312022998943 has 2 divisors, whose sum is σ = 1312022998944. Its totient is φ = 1312022998942.

The previous prime is 1312022998903. The next prime is 1312022998987. The reversal of 1312022998943 is 3498992202131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3498992202131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312022998943 - 2⁸ = 1312022998687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312022998903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656011499471 + 656011499472.

It is an arithmetic number, because the mean of its divisors is an integer number (656011499472).

Almost surely, 2^{1312022998943} is an apocalyptic number.

1312022998943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312022998943 is an equidigital number, since it uses as much as digits as its factorization.

1312022998943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 1312022998943 in words is "one trillion, three hundred twelve billion, twenty-two million, nine hundred ninety-eight thousand, nine hundred forty-three".