8212256071 has 2 divisors, whose sum is σ = 8212256072. Its totient is φ = 8212256070.

The previous prime is 8212256051. The next prime is 8212256119. The reversal of 8212256071 is 1706522128.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8212256071 - 2⁹ = 8212255559 is a prime.

It is a super-2 number, since 2×8212256071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8212256021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106128035 + 4106128036.

It is an arithmetic number, because the mean of its divisors is an integer number (4106128036).

Almost surely, 2^8212256071 is an apocalyptic number.

8212256071 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212256071 is an equidigital number, since it uses as much as digits as its factorization.

8212256071 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8212256071 is about 90621.4989447868. The cubic root of 8212256071 is about 2017.5338389521.

Adding to 8212256071 its reverse (1706522128), we get a palindrome (9918778199).

The spelling of 8212256071 in words is "eight billion, two hundred twelve million, two hundred fifty-six thousand, seventy-one".