212234222989 has 2 divisors, whose sum is σ = 212234222990. Its totient is φ = 212234222988.

The previous prime is 212234222927. The next prime is 212234223077. The reversal of 212234222989 is 989222432212.

212234222989 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., 125912844964 + 86321378025 = 354842^2 + 293805^2 .

It is a cyclic number.

It is not a de Polignac number, because 212234222989 - 2¹⁵ = 212234190221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212234226989) 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, 106117111494 + 106117111495.

It is an arithmetic number, because the mean of its divisors is an integer number (106117111495).

Almost surely, 2^212234222989 is an apocalyptic number.

It is an amenable number.

212234222989 is a deficient number, since it is larger than the sum of its proper divisors (1).

212234222989 is an equidigital number, since it uses as much as digits as its factorization.

212234222989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The spelling of 212234222989 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred twenty-two thousand, nine hundred eighty-nine".