212023320097 has 2 divisors, whose sum is σ = 212023320098. Its totient is φ = 212023320096.

The previous prime is 212023320079. The next prime is 212023320121. The reversal of 212023320097 is 790023320212.

Together with previous prime (212023320079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168178729216 + 43844590881 = 410096^2 + 209391^2 .

It is a cyclic number.

It is not a de Polignac number, because 212023320097 - 2¹¹ = 212023318049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212023320007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011660048 + 106011660049.

It is an arithmetic number, because the mean of its divisors is an integer number (106011660049).

Almost surely, 2^212023320097 is an apocalyptic number.

It is an amenable number.

212023320097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023320097 is an equidigital number, since it uses as much as digits as its factorization.

212023320097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 212023320097 in words is "two hundred twelve billion, twenty-three million, three hundred twenty thousand, ninety-seven".