212211001193 has 2 divisors, whose sum is σ = 212211001194. Its totient is φ = 212211001192.

The previous prime is 212211001169. The next prime is 212211001283. The reversal of 212211001193 is 391100112212.

212211001193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148327427689 + 63883573504 = 385133^2 + 252752^2 .

It is a cyclic number.

It is not a de Polignac number, because 212211001193 - 2⁶ = 212211001129 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 (212211001103) 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, 106105500596 + 106105500597.

It is an arithmetic number, because the mean of its divisors is an integer number (106105500597).

Almost surely, 2^212211001193 is an apocalyptic number.

It is an amenable number.

212211001193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211001193 is an equidigital number, since it uses as much as digits as its factorization.

212211001193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 212211001193 in words is "two hundred twelve billion, two hundred eleven million, one thousand, one hundred ninety-three".