12001012020071 has 2 divisors, whose sum is σ = 12001012020072. Its totient is φ = 12001012020070.

The previous prime is 12001012019999. The next prime is 12001012020139. The reversal of 12001012020071 is 17002021010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001012020071 - 2³⁴ = 11983832150887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001012070071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000506010035 + 6000506010036.

It is an arithmetic number, because the mean of its divisors is an integer number (6000506010036).

Almost surely, 2^{12001012020071} is an apocalyptic number.

12001012020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001012020071 is an equidigital number, since it uses as much as digits as its factorization.

12001012020071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12001012020071 its reverse (17002021010021), we get a palindrome (29003033030092).

The spelling of 12001012020071 in words is "twelve trillion, one billion, twelve million, twenty thousand, seventy-one".