212000009989333 has 2 divisors, whose sum is σ = 212000009989334. Its totient is φ = 212000009989332.

The previous prime is 212000009989297. The next prime is 212000009989357. The reversal of 212000009989333 is 333989900000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211474213875409 + 525796113924 = 14542153^2 + 725118^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000009989333 - 2⁹ = 212000009988821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212000009989373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000004994666 + 106000004994667.

It is an arithmetic number, because the mean of its divisors is an integer number (106000004994667).

Almost surely, 2^{212000009989333} is an apocalyptic number.

It is an amenable number.

212000009989333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000009989333 is an equidigital number, since it uses as much as digits as its factorization.

212000009989333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

Adding to 212000009989333 its reverse (333989900000212), we get a palindrome (545989909989545).

The spelling of 212000009989333 in words is "two hundred twelve trillion, nine million, nine hundred eighty-nine thousand, three hundred thirty-three".