1012123031159 has 2 divisors, whose sum is σ = 1012123031160. Its totient is φ = 1012123031158.

The previous prime is 1012123031093. The next prime is 1012123031197. The reversal of 1012123031159 is 9511303212101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012123031159 - 2³² = 1007828063863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012123031659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061515579 + 506061515580.

It is an arithmetic number, because the mean of its divisors is an integer number (506061515580).

Almost surely, 2^{1012123031159} is an apocalyptic number.

1012123031159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012123031159 is an equidigital number, since it uses as much as digits as its factorization.

1012123031159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The spelling of 1012123031159 in words is "one trillion, twelve billion, one hundred twenty-three million, thirty-one thousand, one hundred fifty-nine".