212244442414189 has 2 divisors, whose sum is σ = 212244442414190. Its totient is φ = 212244442414188.

The previous prime is 212244442414187. The next prime is 212244442414231. The reversal of 212244442414189 is 981414244442212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141101256746025 + 71143185668164 = 11878605^2 + 8434642^2 .

It is a cyclic number.

It is not a de Polignac number, because 212244442414189 - 2¹ = 212244442414187 is a prime.

Together with 212244442414187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212244442414187) 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, 106122221207094 + 106122221207095.

It is an arithmetic number, because the mean of its divisors is an integer number (106122221207095).

Almost surely, 2^{212244442414189} is an apocalyptic number.

It is an amenable number.

212244442414189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212244442414189 is an equidigital number, since it uses as much as digits as its factorization.

212244442414189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4718592, while the sum is 52.

The spelling of 212244442414189 in words is "two hundred twelve trillion, two hundred forty-four billion, four hundred forty-two million, four hundred fourteen thousand, one hundred eighty-nine".