212230297 has 2 divisors, whose sum is σ = 212230298. Its totient is φ = 212230296.

The previous prime is 212230279. The next prime is 212230313. The reversal of 212230297 is 792032212.

Together with previous prime (212230279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117050761 + 95179536 = 10819^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 212230297 - 2¹¹ = 212228249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212230237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106115148 + 106115149.

It is an arithmetic number, because the mean of its divisors is an integer number (106115149).

Almost surely, 2^212230297 is an apocalyptic number.

It is an amenable number.

212230297 is a deficient number, since it is larger than the sum of its proper divisors (1).

212230297 is an equidigital number, since it uses as much as digits as its factorization.

212230297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 212230297 is about 14568.1260634304. The cubic root of 212230297 is about 596.4890294761.

The spelling of 212230297 in words is "two hundred twelve million, two hundred thirty thousand, two hundred ninety-seven".