212012330171 has 2 divisors, whose sum is σ = 212012330172. Its totient is φ = 212012330170.

The previous prime is 212012330107. The next prime is 212012330207. The reversal of 212012330171 is 171033210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012330171 - 2⁶ = 212012330107 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012333171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006165085 + 106006165086.

It is an arithmetic number, because the mean of its divisors is an integer number (106006165086).

Almost surely, 2^212012330171 is an apocalyptic number.

212012330171 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012330171 is an equidigital number, since it uses as much as digits as its factorization.

212012330171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 212012330171 its reverse (171033210212), we get a palindrome (383045540383).

The spelling of 212012330171 in words is "two hundred twelve billion, twelve million, three hundred thirty thousand, one hundred seventy-one".