212234064954871 has 2 divisors, whose sum is σ = 212234064954872. Its totient is φ = 212234064954870.

The previous prime is 212234064954851. The next prime is 212234064954973. The reversal of 212234064954871 is 178459460432212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212234064954871 - 2⁵ = 212234064954839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212234064954851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106117032477435 + 106117032477436.

It is an arithmetic number, because the mean of its divisors is an integer number (106117032477436).

It is a 1-persistent number, because it is pandigital, but 2⋅212234064954871 = 424468129909742 is not.

Almost surely, 2^{212234064954871} is an apocalyptic number.

212234064954871 is a deficient number, since it is larger than the sum of its proper divisors (1).

212234064954871 is an equidigital number, since it uses as much as digits as its factorization.

212234064954871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 212234064954871 in words is "two hundred twelve trillion, two hundred thirty-four billion, sixty-four million, nine hundred fifty-four thousand, eight hundred seventy-one".