212211224297 has 2 divisors, whose sum is σ = 212211224298. Its totient is φ = 212211224296.

The previous prime is 212211224263. The next prime is 212211224321. The reversal of 212211224297 is 792422112212.

212211224297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211118194576 + 1093029721 = 459476^2 + 33061^2 .

It is a cyclic number.

It is not a de Polignac number, because 212211224297 - 2³² = 207916257001 is a prime.

It is not a weakly prime, because it can be changed into another prime (212211224227) 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, 106105612148 + 106105612149.

It is an arithmetic number, because the mean of its divisors is an integer number (106105612149).

Almost surely, 2^212211224297 is an apocalyptic number.

It is an amenable number.

212211224297 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211224297 is an equidigital number, since it uses as much as digits as its factorization.

212211224297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The spelling of 212211224297 in words is "two hundred twelve billion, two hundred eleven million, two hundred twenty-four thousand, two hundred ninety-seven".