212202222112189 has 2 divisors, whose sum is σ = 212202222112190. Its totient is φ = 212202222112188.

The previous prime is 212202222112099. The next prime is 212202222112207. The reversal of 212202222112189 is 981211222202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158826660996025 + 53375561116164 = 12602645^2 + 7305858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202222112189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202222116189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101111056094 + 106101111056095.

It is an arithmetic number, because the mean of its divisors is an integer number (106101111056095).

Almost surely, 2^{212202222112189} is an apocalyptic number.

It is an amenable number.

212202222112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202222112189 is an equidigital number, since it uses as much as digits as its factorization.

212202222112189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 212202222112189 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eighty-nine".