1322020202197 has 2 divisors, whose sum is σ = 1322020202198. Its totient is φ = 1322020202196.

The previous prime is 1322020202183. The next prime is 1322020202231. The reversal of 1322020202197 is 7912020202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789833903076 + 532186299121 = 888726^2 + 729511^2 .

It is an emirp because it is prime and its reverse (7912020202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322020202197 - 2²³ = 1322011813589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322020202117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661010101098 + 661010101099.

It is an arithmetic number, because the mean of its divisors is an integer number (661010101099).

Almost surely, 2^{1322020202197} is an apocalyptic number.

It is an amenable number.

1322020202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322020202197 is an equidigital number, since it uses as much as digits as its factorization.

1322020202197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 1322020202197 in words is "one trillion, three hundred twenty-two billion, twenty million, two hundred two thousand, one hundred ninety-seven".