212303323333 has 2 divisors, whose sum is σ = 212303323334. Its totient is φ = 212303323332.

The previous prime is 212303323273. The next prime is 212303323361. The reversal of 212303323333 is 333323303212.

It is an a-pointer prime, because the next prime (212303323361) can be obtained adding 212303323333 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171158446369 + 41144876964 = 413713^2 + 202842^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303323333 - 2³⁷ = 74864369861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303329333) 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, 106151661666 + 106151661667.

It is an arithmetic number, because the mean of its divisors is an integer number (106151661667).

Almost surely, 2^212303323333 is an apocalyptic number.

It is an amenable number.

212303323333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303323333 is an equidigital number, since it uses as much as digits as its factorization.

212303323333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 28.

Adding to 212303323333 its reverse (333323303212), we get a palindrome (545626626545).

The spelling of 212303323333 in words is "two hundred twelve billion, three hundred three million, three hundred twenty-three thousand, three hundred thirty-three".