12321321127 has 2 divisors, whose sum is σ = 12321321128. Its totient is φ = 12321321126.

The previous prime is 12321321083. The next prime is 12321321137. The reversal of 12321321127 is 72112312321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12321321127 - 2¹¹ = 12321319079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321321137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160660563 + 6160660564.

It is an arithmetic number, because the mean of its divisors is an integer number (6160660564).

Almost surely, 2^12321321127 is an apocalyptic number.

12321321127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321321127 is an equidigital number, since it uses as much as digits as its factorization.

12321321127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

Adding to 12321321127 its reverse (72112312321), we get a palindrome (84433633448).

The spelling of 12321321127 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-seven".