12321321041 has 2 divisors, whose sum is σ = 12321321042. Its totient is φ = 12321321040.

The previous prime is 12321321029. The next prime is 12321321083. The reversal of 12321321041 is 14012312321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11366758225 + 954562816 = 106615^2 + 30896^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321321041 - 2²² = 12317126737 is a prime.

It is not a weakly prime, because it can be changed into another prime (12321321011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160660520 + 6160660521.

It is an arithmetic number, because the mean of its divisors is an integer number (6160660521).

Almost surely, 2^12321321041 is an apocalyptic number.

It is an amenable number.

12321321041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321321041 is an equidigital number, since it uses as much as digits as its factorization.

12321321041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12321321041 its reverse (14012312321), we get a palindrome (26333633362).

The spelling of 12321321041 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-one thousand, forty-one".