212012012001197 has 2 divisors, whose sum is σ = 212012012001198. Its totient is φ = 212012012001196.

The previous prime is 212012012001193. The next prime is 212012012001211. The reversal of 212012012001197 is 791100210210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128902734289156 + 83109277712041 = 11353534^2 + 9116429^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012012001197 - 2² = 212012012001193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012012001191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006006000598 + 106006006000599.

It is an arithmetic number, because the mean of its divisors is an integer number (106006006000599).

Almost surely, 2^{212012012001197} is an apocalyptic number.

It is an amenable number.

212012012001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012012001197 is an equidigital number, since it uses as much as digits as its factorization.

212012012001197 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 29.

The spelling of 212012012001197 in words is "two hundred twelve trillion, twelve billion, twelve million, one thousand, one hundred ninety-seven".