12021223320097 has 2 divisors, whose sum is σ = 12021223320098. Its totient is φ = 12021223320096.

The previous prime is 12021223320089. The next prime is 12021223320193. The reversal of 12021223320097 is 79002332212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6907876784656 + 5113346535441 = 2628284^2 + 2261271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021223320097 - 2³ = 12021223320089 is a prime.

It is a super-2 number, since 2×12021223320097² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021223320037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010611660048 + 6010611660049.

It is an arithmetic number, because the mean of its divisors is an integer number (6010611660049).

Almost surely, 2^{12021223320097} is an apocalyptic number.

It is an amenable number.

12021223320097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021223320097 is an equidigital number, since it uses as much as digits as its factorization.

12021223320097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 12021223320097 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, three hundred twenty thousand, ninety-seven".