212201210071 has 2 divisors, whose sum is σ = 212201210072. Its totient is φ = 212201210070.

The previous prime is 212201210063. The next prime is 212201210107. The reversal of 212201210071 is 170012102212.

Together with next prime (212201210107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212201210071 - 2³ = 212201210063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201210371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100605035 + 106100605036.

It is an arithmetic number, because the mean of its divisors is an integer number (106100605036).

Almost surely, 2^212201210071 is an apocalyptic number.

212201210071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201210071 is an equidigital number, since it uses as much as digits as its factorization.

212201210071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 212201210071 its reverse (170012102212), we get a palindrome (382213312283).

The spelling of 212201210071 in words is "two hundred twelve billion, two hundred one million, two hundred ten thousand, seventy-one".