210212020122197 has 2 divisors, whose sum is σ = 210212020122198. Its totient is φ = 210212020122196.

The previous prime is 210212020122149. The next prime is 210212020122233. The reversal of 210212020122197 is 791221020212012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119411589408721 + 90800430713476 = 10927561^2 + 9528926^2 .

It is a cyclic number.

It is not a de Polignac number, because 210212020122197 - 2³⁶ = 210143300645461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210212020122107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106010061098 + 105106010061099.

It is an arithmetic number, because the mean of its divisors is an integer number (105106010061099).

Almost surely, 2^{210212020122197} is an apocalyptic number.

It is an amenable number.

210212020122197 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212020122197 is an equidigital number, since it uses as much as digits as its factorization.

210212020122197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 210212020122197 in words is "two hundred ten trillion, two hundred twelve billion, twenty million, one hundred twenty-two thousand, one hundred ninety-seven".