12212227073 has 2 divisors, whose sum is σ = 12212227074. Its totient is φ = 12212227072.

The previous prime is 12212227031. The next prime is 12212227103. The reversal of 12212227073 is 37072221221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11446432144 + 765794929 = 106988^2 + 27673^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212227073 - 2¹⁰ = 12212226049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212227673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106113536 + 6106113537.

It is an arithmetic number, because the mean of its divisors is an integer number (6106113537).

Almost surely, 2^12212227073 is an apocalyptic number.

It is an amenable number.

12212227073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212227073 is an equidigital number, since it uses as much as digits as its factorization.

12212227073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 12212227073 its reverse (37072221221), we get a palindrome (49284448294).

The spelling of 12212227073 in words is "twelve billion, two hundred twelve million, two hundred twenty-seven thousand, seventy-three".