12014221 has 2 divisors, whose sum is σ = 12014222. Its totient is φ = 12014220.

The previous prime is 12014209. The next prime is 12014269. The reversal of 12014221 is 12241021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9853321 + 2160900 = 3139^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 12014221 - 2¹¹ = 12012173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12014201) 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, 6007110 + 6007111.

It is an arithmetic number, because the mean of its divisors is an integer number (6007111).

Almost surely, 2^12014221 is an apocalyptic number.

It is an amenable number.

12014221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12014221 is an equidigital number, since it uses as much as digits as its factorization.

12014221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12014221 is about 3466.1536319096. The cubic root of 12014221 is about 229.0332515930.

Adding to 12014221 its reverse (12241021), we get a palindrome (24255242).

It can be divided in two parts, 120 and 14221, that added together give a palindrome (14341).

The spelling of 12014221 in words is "twelve million, fourteen thousand, two hundred twenty-one".