12213103211 has 2 divisors, whose sum is σ = 12213103212. Its totient is φ = 12213103210.

The previous prime is 12213103183. The next prime is 12213103219. The reversal of 12213103211 is 11230131221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12213103211 - 2¹⁴ = 12213086827 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12213103211.

It is not a weakly prime, because it can be changed into another prime (12213103219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106551605 + 6106551606.

It is an arithmetic number, because the mean of its divisors is an integer number (6106551606).

Almost surely, 2^12213103211 is an apocalyptic number.

12213103211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213103211 is an equidigital number, since it uses as much as digits as its factorization.

12213103211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12213103211 its reverse (11230131221), we get a palindrome (23443234432).

The spelling of 12213103211 in words is "twelve billion, two hundred thirteen million, one hundred three thousand, two hundred eleven".