12220010020997 has 2 divisors, whose sum is σ = 12220010020998. Its totient is φ = 12220010020996.

The previous prime is 12220010020969. The next prime is 12220010021003. The reversal of 12220010020997 is 79902001002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12074228090401 + 145781930596 = 3474799^2 + 381814^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220010020997 - 2¹² = 12220010016901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220010020957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110005010498 + 6110005010499.

It is an arithmetic number, because the mean of its divisors is an integer number (6110005010499).

Almost surely, 2^{12220010020997} is an apocalyptic number.

It is an amenable number.

12220010020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220010020997 is an equidigital number, since it uses as much as digits as its factorization.

12220010020997 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 35.

The spelling of 12220010020997 in words is "twelve trillion, two hundred twenty billion, ten million, twenty thousand, nine hundred ninety-seven".