212122303301 has 2 divisors, whose sum is σ = 212122303302. Its totient is φ = 212122303300.

The previous prime is 212122303291. The next prime is 212122303319. The reversal of 212122303301 is 103303221212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173388127201 + 38734176100 = 416399^2 + 196810^2 .

It is a cyclic number.

It is not a de Polignac number, because 212122303301 - 2¹⁰ = 212122302277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212122303381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061151650 + 106061151651.

It is an arithmetic number, because the mean of its divisors is an integer number (106061151651).

Almost surely, 2^212122303301 is an apocalyptic number.

It is an amenable number.

212122303301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212122303301 is an equidigital number, since it uses as much as digits as its factorization.

212122303301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212122303301 its reverse (103303221212), we get a palindrome (315425524513).

The spelling of 212122303301 in words is "two hundred twelve billion, one hundred twenty-two million, three hundred three thousand, three hundred one".