1012123290071 has 2 divisors, whose sum is σ = 1012123290072. Its totient is φ = 1012123290070.

The previous prime is 1012123290067. The next prime is 1012123290107. The reversal of 1012123290071 is 1700923212101.

Together with next prime (1012123290107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012123290071 - 2² = 1012123290067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012123290271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061645035 + 506061645036.

It is an arithmetic number, because the mean of its divisors is an integer number (506061645036).

Almost surely, 2^{1012123290071} is an apocalyptic number.

1012123290071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012123290071 is an equidigital number, since it uses as much as digits as its factorization.

1012123290071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 1012123290071 in words is "one trillion, twelve billion, one hundred twenty-three million, two hundred ninety thousand, seventy-one".