12201229361 has 2 divisors, whose sum is σ = 12201229362. Its totient is φ = 12201229360.

The previous prime is 12201229321. The next prime is 12201229393. The reversal of 12201229361 is 16392210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7852618225 + 4348611136 = 88615^2 + 65944^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201229361 - 2¹⁰ = 12201228337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201229321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100614680 + 6100614681.

It is an arithmetic number, because the mean of its divisors is an integer number (6100614681).

Almost surely, 2^12201229361 is an apocalyptic number.

It is an amenable number.

12201229361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201229361 is an equidigital number, since it uses as much as digits as its factorization.

12201229361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 12201229361 its reverse (16392210221), we get a palindrome (28593439582).

The spelling of 12201229361 in words is "twelve billion, two hundred one million, two hundred twenty-nine thousand, three hundred sixty-one".