212313302533 has 2 divisors, whose sum is σ = 212313302534. Its totient is φ = 212313302532.

The previous prime is 212313302507. The next prime is 212313302543. The reversal of 212313302533 is 335203313212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195052072609 + 17261229924 = 441647^2 + 131382^2 .

It is a cyclic number.

It is not a de Polignac number, because 212313302533 - 2³³ = 203723367941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212313302543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156651266 + 106156651267.

It is an arithmetic number, because the mean of its divisors is an integer number (106156651267).

Almost surely, 2^212313302533 is an apocalyptic number.

It is an amenable number.

212313302533 is a deficient number, since it is larger than the sum of its proper divisors (1).

212313302533 is an equidigital number, since it uses as much as digits as its factorization.

212313302533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 212313302533 its reverse (335203313212), we get a palindrome (547516615745).

The spelling of 212313302533 in words is "two hundred twelve billion, three hundred thirteen million, three hundred two thousand, five hundred thirty-three".