13012326121 has 2 divisors, whose sum is σ = 13012326122. Its totient is φ = 13012326120.

The previous prime is 13012326113. The next prime is 13012326127. The reversal of 13012326121 is 12162321031.

It is a happy number.

13012326121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7033170496 + 5979155625 = 83864^2 + 77325^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012326121 - 2³ = 13012326113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13012326092 and 13012326101.

It is not a weakly prime, because it can be changed into another prime (13012326127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506163060 + 6506163061.

It is an arithmetic number, because the mean of its divisors is an integer number (6506163061).

Almost surely, 2^13012326121 is an apocalyptic number.

It is an amenable number.

13012326121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012326121 is an equidigital number, since it uses as much as digits as its factorization.

13012326121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13012326121 its reverse (12162321031), we get a palindrome (25174647152).

The spelling of 13012326121 in words is "thirteen billion, twelve million, three hundred twenty-six thousand, one hundred twenty-one".