212442422230513 has 2 divisors, whose sum is σ = 212442422230514. Its totient is φ = 212442422230512.

The previous prime is 212442422230483. The next prime is 212442422230531. The reversal of 212442422230513 is 315032224244212.

Together with next prime (212442422230531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168740697540529 + 43701724689984 = 12990023^2 + 6610728^2 .

It is a cyclic number.

It is not a de Polignac number, because 212442422230513 - 2⁵ = 212442422230481 is a prime.

It is not a weakly prime, because it can be changed into another prime (212442422239513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106221211115256 + 106221211115257.

It is an arithmetic number, because the mean of its divisors is an integer number (106221211115257).

Almost surely, 2^{212442422230513} is an apocalyptic number.

It is an amenable number.

212442422230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

212442422230513 is an equidigital number, since it uses as much as digits as its factorization.

212442422230513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 212442422230513 its reverse (315032224244212), we get a palindrome (527474646474725).

The spelling of 212442422230513 in words is "two hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred thirty thousand, five hundred thirteen".