12222001229 has 2 divisors, whose sum is σ = 12222001230. Its totient is φ = 12222001228.

The previous prime is 12222001177. The next prime is 12222001247. The reversal of 12222001229 is 92210022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12171164329 + 50836900 = 110323^2 + 7130^2 .

It is an emirp because it is prime and its reverse (92210022221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222001229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222001279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111000614 + 6111000615.

It is an arithmetic number, because the mean of its divisors is an integer number (6111000615).

Almost surely, 2^12222001229 is an apocalyptic number.

It is an amenable number.

12222001229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222001229 is an equidigital number, since it uses as much as digits as its factorization.

12222001229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 12222001229 in words is "twelve billion, two hundred twenty-two million, one thousand, two hundred twenty-nine".