12010122201997 has 2 divisors, whose sum is σ = 12010122201998. Its totient is φ = 12010122201996.

The previous prime is 12010122201989. The next prime is 12010122202007. The reversal of 12010122201997 is 79910222101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6678368736516 + 5331753465481 = 2584254^2 + 2309059^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010122201997 - 2³ = 12010122201989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010122201907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005061100998 + 6005061100999.

It is an arithmetic number, because the mean of its divisors is an integer number (6005061100999).

Almost surely, 2^{12010122201997} is an apocalyptic number.

It is an amenable number.

12010122201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010122201997 is an equidigital number, since it uses as much as digits as its factorization.

12010122201997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 12010122201997 in words is "twelve trillion, ten billion, one hundred twenty-two million, two hundred one thousand, nine hundred ninety-seven".