12311311231201 has 2 divisors, whose sum is σ = 12311311231202. Its totient is φ = 12311311231200.

The previous prime is 12311311231147. The next prime is 12311311231229. The reversal of 12311311231201 is 10213211311321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11800873857600 + 510437373601 = 3435240^2 + 714449^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311311231201 - 2¹¹ = 12311311229153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311311231291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155655615600 + 6155655615601.

It is an arithmetic number, because the mean of its divisors is an integer number (6155655615601).

Almost surely, 2^{12311311231201} is an apocalyptic number.

It is an amenable number.

12311311231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311311231201 is an equidigital number, since it uses as much as digits as its factorization.

12311311231201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12311311231201 its reverse (10213211311321), we get a palindrome (22524522542522).

The spelling of 12311311231201 in words is "twelve trillion, three hundred eleven billion, three hundred eleven million, two hundred thirty-one thousand, two hundred one".