212225534771 has 2 divisors, whose sum is σ = 212225534772. Its totient is φ = 212225534770.

The previous prime is 212225534743. The next prime is 212225534797. The reversal of 212225534771 is 177435522212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212225534771 - 2¹⁸ = 212225272627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212225534071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112767385 + 106112767386.

It is an arithmetic number, because the mean of its divisors is an integer number (106112767386).

Almost surely, 2^212225534771 is an apocalyptic number.

212225534771 is a deficient number, since it is larger than the sum of its proper divisors (1).

212225534771 is an equidigital number, since it uses as much as digits as its factorization.

212225534771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The spelling of 212225534771 in words is "two hundred twelve billion, two hundred twenty-five million, five hundred thirty-four thousand, seven hundred seventy-one".