12052421022197 has 2 divisors, whose sum is σ = 12052421022198. Its totient is φ = 12052421022196.

The previous prime is 12052421022133. The next prime is 12052421022223. The reversal of 12052421022197 is 79122012425021.

12052421022197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8641477450321 + 3410943571876 = 2939639^2 + 1846874^2 .

It is a cyclic number.

It is not a de Polignac number, because 12052421022197 - 2⁶ = 12052421022133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12052421022197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12052451022197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026210511098 + 6026210511099.

It is an arithmetic number, because the mean of its divisors is an integer number (6026210511099).

Almost surely, 2^{12052421022197} is an apocalyptic number.

It is an amenable number.

12052421022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12052421022197 is an equidigital number, since it uses as much as digits as its factorization.

12052421022197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 12052421022197 in words is "twelve trillion, fifty-two billion, four hundred twenty-one million, twenty-two thousand, one hundred ninety-seven".