12020020211197 has 2 divisors, whose sum is σ = 12020020211198. Its totient is φ = 12020020211196.

The previous prime is 12020020211189. The next prime is 12020020211203. The reversal of 12020020211197 is 79111202002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11099698487641 + 920321723556 = 3331621^2 + 959334^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020020211197 - 2³ = 12020020211189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020020211597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010105598 + 6010010105599.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010105599).

Almost surely, 2^{12020020211197} is an apocalyptic number.

It is an amenable number.

12020020211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020211197 is an equidigital number, since it uses as much as digits as its factorization.

12020020211197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12020020211197 in words is "twelve trillion, twenty billion, twenty million, two hundred eleven thousand, one hundred ninety-seven".