1312022000243 has 2 divisors, whose sum is σ = 1312022000244. Its totient is φ = 1312022000242.

The previous prime is 1312022000207. The next prime is 1312022000299. The reversal of 1312022000243 is 3420002202131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312022000243 - 2¹² = 1312021996147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312022050243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656011000121 + 656011000122.

It is an arithmetic number, because the mean of its divisors is an integer number (656011000122).

Almost surely, 2^{1312022000243} is an apocalyptic number.

1312022000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312022000243 is an equidigital number, since it uses as much as digits as its factorization.

1312022000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1312022000243 its reverse (3420002202131), we get a palindrome (4732024202374).

The spelling of 1312022000243 in words is "one trillion, three hundred twelve billion, twenty-two million, two hundred forty-three", and thus it is an aban number.