212110202212213 has 2 divisors, whose sum is σ = 212110202212214. Its totient is φ = 212110202212212.

The previous prime is 212110202212123. The next prime is 212110202212247. The reversal of 212110202212213 is 312212202011212.

Together with previous prime (212110202212123) 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., 182946670505284 + 29163531706929 = 13525778^2 + 5400327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212110202212213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212110202212253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055101106106 + 106055101106107.

It is an arithmetic number, because the mean of its divisors is an integer number (106055101106107).

Almost surely, 2^{212110202212213} is an apocalyptic number.

It is an amenable number.

212110202212213 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110202212213 is an equidigital number, since it uses as much as digits as its factorization.

212110202212213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 212110202212213 its reverse (312212202011212), we get a palindrome (524322404223425).

The spelling of 212110202212213 in words is "two hundred twelve trillion, one hundred ten billion, two hundred two million, two hundred twelve thousand, two hundred thirteen".