212012210297 has 2 divisors, whose sum is σ = 212012210298. Its totient is φ = 212012210296.

The previous prime is 212012210227. The next prime is 212012210309. The reversal of 212012210297 is 792012210212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209827208761 + 2185001536 = 458069^2 + 46744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212012210297 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012210227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006105148 + 106006105149.

It is an arithmetic number, because the mean of its divisors is an integer number (106006105149).

Almost surely, 2^212012210297 is an apocalyptic number.

It is an amenable number.

212012210297 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012210297 is an equidigital number, since it uses as much as digits as its factorization.

212012210297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 212012210297 in words is "two hundred twelve billion, twelve million, two hundred ten thousand, two hundred ninety-seven".