212000111122193 has 2 divisors, whose sum is σ = 212000111122194. Its totient is φ = 212000111122192.

The previous prime is 212000111122169. The next prime is 212000111122237. The reversal of 212000111122193 is 391221111000212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203370188467264 + 8629922654929 = 14260792^2 + 2937673^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000111122193 - 2⁸ = 212000111121937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212000111122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000055561096 + 106000055561097.

It is an arithmetic number, because the mean of its divisors is an integer number (106000055561097).

Almost surely, 2^{212000111122193} is an apocalyptic number.

It is an amenable number.

212000111122193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000111122193 is an equidigital number, since it uses as much as digits as its factorization.

212000111122193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 212000111122193 in words is "two hundred twelve trillion, one hundred eleven million, one hundred twenty-two thousand, one hundred ninety-three".