12223242197 has 2 divisors, whose sum is σ = 12223242198. Its totient is φ = 12223242196.

The previous prime is 12223242193. The next prime is 12223242209. The reversal of 12223242197 is 79124232221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12052965796 + 170276401 = 109786^2 + 13049^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223242197 - 2² = 12223242193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223242191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111621098 + 6111621099.

It is an arithmetic number, because the mean of its divisors is an integer number (6111621099).

Almost surely, 2^12223242197 is an apocalyptic number.

It is an amenable number.

12223242197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223242197 is an equidigital number, since it uses as much as digits as its factorization.

12223242197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The spelling of 12223242197 in words is "twelve billion, two hundred twenty-three million, two hundred forty-two thousand, one hundred ninety-seven".