212224026929 has 2 divisors, whose sum is σ = 212224026930. Its totient is φ = 212224026928.

The previous prime is 212224026853. The next prime is 212224026977. The reversal of 212224026929 is 929620422212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194964636304 + 17259390625 = 441548^2 + 131375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212224026929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212224022929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112013464 + 106112013465.

It is an arithmetic number, because the mean of its divisors is an integer number (106112013465).

Almost surely, 2^212224026929 is an apocalyptic number.

It is an amenable number.

212224026929 is a deficient number, since it is larger than the sum of its proper divisors (1).

212224026929 is an equidigital number, since it uses as much as digits as its factorization.

212224026929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 212224026929 in words is "two hundred twelve billion, two hundred twenty-four million, twenty-six thousand, nine hundred twenty-nine".