212073495497 has 2 divisors, whose sum is σ = 212073495498. Its totient is φ = 212073495496.

The previous prime is 212073495427. The next prime is 212073495527. The reversal of 212073495497 is 794594370212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203848638016 + 8224857481 = 451496^2 + 90691^2 .

It is a cyclic number.

It is not a de Polignac number, because 212073495497 - 2⁸ = 212073495241 is a prime.

It is not a weakly prime, because it can be changed into another prime (212073495427) 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, 106036747748 + 106036747749.

It is an arithmetic number, because the mean of its divisors is an integer number (106036747749).

Almost surely, 2^212073495497 is an apocalyptic number.

It is an amenable number.

212073495497 is a deficient number, since it is larger than the sum of its proper divisors (1).

212073495497 is an equidigital number, since it uses as much as digits as its factorization.

212073495497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 212073495497 in words is "two hundred twelve billion, seventy-three million, four hundred ninety-five thousand, four hundred ninety-seven".