12300320533 has 2 divisors, whose sum is σ = 12300320534. Its totient is φ = 12300320532.

The previous prime is 12300320423. The next prime is 12300320551. The reversal of 12300320533 is 33502300321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7867157809 + 4433162724 = 88697^2 + 66582^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300320533 - 2³³ = 3710385941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12300330533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150160266 + 6150160267.

It is an arithmetic number, because the mean of its divisors is an integer number (6150160267).

Almost surely, 2^12300320533 is an apocalyptic number.

It is an amenable number.

12300320533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300320533 is an equidigital number, since it uses as much as digits as its factorization.

12300320533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 12300320533 its reverse (33502300321), we get a palindrome (45802620854).

The spelling of 12300320533 in words is "twelve billion, three hundred million, three hundred twenty thousand, five hundred thirty-three".