1012104130991 has 2 divisors, whose sum is σ = 1012104130992. Its totient is φ = 1012104130990.

The previous prime is 1012104130967. The next prime is 1012104131029. The reversal of 1012104130991 is 1990314012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012104130991 - 2³⁰ = 1011030389167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012104130901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506052065495 + 506052065496.

It is an arithmetic number, because the mean of its divisors is an integer number (506052065496).

Almost surely, 2^{1012104130991} is an apocalyptic number.

1012104130991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012104130991 is an equidigital number, since it uses as much as digits as its factorization.

1012104130991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 1012104130991 in words is "one trillion, twelve billion, one hundred four million, one hundred thirty thousand, nine hundred ninety-one".