212023318049 has 2 divisors, whose sum is σ = 212023318050. Its totient is φ = 212023318048.

The previous prime is 212023318027. The next prime is 212023318109. The reversal of 212023318049 is 940813320212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159625819024 + 52397499025 = 399532^2 + 228905^2 .

It is a cyclic number.

It is not a de Polignac number, because 212023318049 - 2²⁸ = 211754882593 is a prime.

It is not a weakly prime, because it can be changed into another prime (212023314049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011659024 + 106011659025.

It is an arithmetic number, because the mean of its divisors is an integer number (106011659025).

Almost surely, 2^212023318049 is an apocalyptic number.

It is an amenable number.

212023318049 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023318049 is an equidigital number, since it uses as much as digits as its factorization.

212023318049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 212023318049 in words is "two hundred twelve billion, twenty-three million, three hundred eighteen thousand, forty-nine".