12211273 has 2 divisors, whose sum is σ = 12211274. Its totient is φ = 12211272.

The previous prime is 12211261. The next prime is 12211279. The reversal of 12211273 is 37211221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 840889 = 3372^2 + 917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12211273.

It is not a weakly prime, because it can be changed into another prime (12211279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105636 + 6105637.

It is an arithmetic number, because the mean of its divisors is an integer number (6105637).

Almost surely, 2^12211273 is an apocalyptic number.

It is an amenable number.

12211273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211273 is an equidigital number, since it uses as much as digits as its factorization.

12211273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 12211273 is about 3494.4631919653. The cubic root of 12211273 is about 230.2786352138.

Adding to 12211273 its reverse (37211221), we get a palindrome (49422494).

The spelling of 12211273 in words is "twelve million, two hundred eleven thousand, two hundred seventy-three".