212012333171 has 2 divisors, whose sum is σ = 212012333172. Its totient is φ = 212012333170.

The previous prime is 212012333147. The next prime is 212012333173. The reversal of 212012333171 is 171333210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012333171 - 2⁶ = 212012333107 is a prime.

It is a super-2 number, since 2×212012333171² (a number of 23 digits) contains 22 as substring.

Together with 212012333173, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212012333171.

It is not a weakly prime, because it can be changed into another prime (212012333173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006166585 + 106006166586.

It is an arithmetic number, because the mean of its divisors is an integer number (106006166586).

Almost surely, 2^212012333171 is an apocalyptic number.

212012333171 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012333171 is an equidigital number, since it uses as much as digits as its factorization.

212012333171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 212012333171 its reverse (171333210212), we get a palindrome (383345543383).

The spelling of 212012333171 in words is "two hundred twelve billion, twelve million, three hundred thirty-three thousand, one hundred seventy-one".