212425612171 has 2 divisors, whose sum is σ = 212425612172. Its totient is φ = 212425612170.

The previous prime is 212425612169. The next prime is 212425612181. The reversal of 212425612171 is 171216524212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212425612171 - 2¹ = 212425612169 is a prime.

Together with 212425612169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212425612181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106212806085 + 106212806086.

It is an arithmetic number, because the mean of its divisors is an integer number (106212806086).

Almost surely, 2^212425612171 is an apocalyptic number.

212425612171 is a deficient number, since it is larger than the sum of its proper divisors (1).

212425612171 is an equidigital number, since it uses as much as digits as its factorization.

212425612171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The spelling of 212425612171 in words is "two hundred twelve billion, four hundred twenty-five million, six hundred twelve thousand, one hundred seventy-one".