1210213211 has 2 divisors, whose sum is σ = 1210213212. Its totient is φ = 1210213210.

The previous prime is 1210213177. The next prime is 1210213217. The reversal of 1210213211 is 1123120121.

It is a strong prime.

It is an emirp because it is prime and its reverse (1123120121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210213211 - 2¹⁰ = 1210212187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210213217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605106605 + 605106606.

It is an arithmetic number, because the mean of its divisors is an integer number (605106606).

Almost surely, 2^1210213211 is an apocalyptic number.

1210213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210213211 is an equidigital number, since it uses as much as digits as its factorization.

1210213211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1210213211 is about 34788.1188195050. The cubic root of 1210213211 is about 1065.6648221041.

Adding to 1210213211 its reverse (1123120121), we get a palindrome (2333333332).

The spelling of 1210213211 in words is "one billion, two hundred ten million, two hundred thirteen thousand, two hundred eleven".