212508316229771 has 2 divisors, whose sum is σ = 212508316229772. Its totient is φ = 212508316229770.

The previous prime is 212508316229753. The next prime is 212508316229773. The reversal of 212508316229771 is 177922613805212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212508316229771 - 2⁴² = 208110269718667 is a prime.

It is a Sophie Germain prime.

Together with 212508316229773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212508316229773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106254158114885 + 106254158114886.

It is an arithmetic number, because the mean of its divisors is an integer number (106254158114886).

Almost surely, 2^{212508316229771} is an apocalyptic number.

212508316229771 is a deficient number, since it is larger than the sum of its proper divisors (1).

212508316229771 is an equidigital number, since it uses as much as digits as its factorization.

212508316229771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 212508316229771 in words is "two hundred twelve trillion, five hundred eight billion, three hundred sixteen million, two hundred twenty-nine thousand, seven hundred seventy-one".