12231322232201 has 2 divisors, whose sum is σ = 12231322232202. Its totient is φ = 12231322232200.

The previous prime is 12231322232141. The next prime is 12231322232257. The reversal of 12231322232201 is 10223222313221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11511668623225 + 719653608976 = 3392885^2 + 848324^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231322232201 - 2²⁶ = 12231255123337 is a prime.

It is a super-2 number, since 2×12231322232201² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12231322232501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115661116100 + 6115661116101.

It is an arithmetic number, because the mean of its divisors is an integer number (6115661116101).

Almost surely, 2^{12231322232201} is an apocalyptic number.

It is an amenable number.

12231322232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231322232201 is an equidigital number, since it uses as much as digits as its factorization.

12231322232201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12231322232201 its reverse (10223222313221), we get a palindrome (22454544545422).

The spelling of 12231322232201 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, two hundred one".