12231120223013 has 2 divisors, whose sum is σ = 12231120223014. Its totient is φ = 12231120223012.

The previous prime is 12231120222947. The next prime is 12231120223061. The reversal of 12231120223013 is 31032202113221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8936978712484 + 3294141510529 = 2989478^2 + 1814977^2 .

It is an emirp because it is prime and its reverse (31032202113221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12231120223013 - 2⁸ = 12231120222757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12231120223013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231120223513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115560111506 + 6115560111507.

It is an arithmetic number, because the mean of its divisors is an integer number (6115560111507).

Almost surely, 2^{12231120223013} is an apocalyptic number.

It is an amenable number.

12231120223013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231120223013 is an equidigital number, since it uses as much as digits as its factorization.

12231120223013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12231120223013 its reverse (31032202113221), we get a palindrome (43263322336234).

The spelling of 12231120223013 in words is "twelve trillion, two hundred thirty-one billion, one hundred twenty million, two hundred twenty-three thousand, thirteen".