1012345668767 has 2 divisors, whose sum is σ = 1012345668768. Its totient is φ = 1012345668766.

The previous prime is 1012345668731. The next prime is 1012345668793. The reversal of 1012345668767 is 7678665432101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012345668767 - 2⁶ = 1012345668703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012345668797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506172834383 + 506172834384.

It is an arithmetic number, because the mean of its divisors is an integer number (506172834384).

Almost surely, 2^{1012345668767} is an apocalyptic number.

1012345668767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012345668767 is an equidigital number, since it uses as much as digits as its factorization.

1012345668767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 1012345668767 in words is "one trillion, twelve billion, three hundred forty-five million, six hundred sixty-eight thousand, seven hundred sixty-seven".