212052305243 has 2 divisors, whose sum is σ = 212052305244. Its totient is φ = 212052305242.

The previous prime is 212052305203. The next prime is 212052305251. The reversal of 212052305243 is 342503250212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212052305243 - 2⁸ = 212052304987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212052305203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106026152621 + 106026152622.

It is an arithmetic number, because the mean of its divisors is an integer number (106026152622).

Almost surely, 2^212052305243 is an apocalyptic number.

212052305243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212052305243 is an equidigital number, since it uses as much as digits as its factorization.

212052305243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 212052305243 its reverse (342503250212), we get a palindrome (554555555455).

The spelling of 212052305243 in words is "two hundred twelve billion, fifty-two million, three hundred five thousand, two hundred forty-three".