12122231201 has 2 divisors, whose sum is σ = 12122231202. Its totient is φ = 12122231200.

The previous prime is 12122231197. The next prime is 12122231243. The reversal of 12122231201 is 10213222121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11903901025 + 218330176 = 109105^2 + 14776^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122231201 - 2² = 12122231197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122231201.

It is not a weakly prime, because it can be changed into another prime (12122231291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061115600 + 6061115601.

It is an arithmetic number, because the mean of its divisors is an integer number (6061115601).

Almost surely, 2^12122231201 is an apocalyptic number.

It is an amenable number.

12122231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122231201 is an equidigital number, since it uses as much as digits as its factorization.

12122231201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12122231201 its reverse (10213222121), we get a palindrome (22335453322).

The spelling of 12122231201 in words is "twelve billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred one".