212011021068433 has 2 divisors, whose sum is σ = 212011021068434. Its totient is φ = 212011021068432.

The previous prime is 212011021068409. The next prime is 212011021068439. The reversal of 212011021068433 is 334860120110212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142199114024529 + 69811907043904 = 11924727^2 + 8355352^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011021068433 - 2³³ = 212002431133841 is a prime.

It is not a weakly prime, because it can be changed into another prime (212011021068439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005510534216 + 106005510534217.

It is an arithmetic number, because the mean of its divisors is an integer number (106005510534217).

Almost surely, 2^{212011021068433} is an apocalyptic number.

It is an amenable number.

212011021068433 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011021068433 is an equidigital number, since it uses as much as digits as its factorization.

212011021068433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 212011021068433 its reverse (334860120110212), we get a palindrome (546871141178645).

The spelling of 212011021068433 in words is "two hundred twelve trillion, eleven billion, twenty-one million, sixty-eight thousand, four hundred thirty-three".