12321112013137 has 2 divisors, whose sum is σ = 12321112013138. Its totient is φ = 12321112013136.

The previous prime is 12321112013029. The next prime is 12321112013173. The reversal of 12321112013137 is 73131021112321.

It is a happy number.

Together with next prime (12321112013173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11624035635216 + 697076377921 = 3409404^2 + 834911^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321112013137 - 2⁷ = 12321112013009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12321112043137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160556006568 + 6160556006569.

It is an arithmetic number, because the mean of its divisors is an integer number (6160556006569).

Almost surely, 2^{12321112013137} is an apocalyptic number.

It is an amenable number.

12321112013137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321112013137 is an equidigital number, since it uses as much as digits as its factorization.

12321112013137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 12321112013137 its reverse (73131021112321), we get a palindrome (85452133125458).

The spelling of 12321112013137 in words is "twelve trillion, three hundred twenty-one billion, one hundred twelve million, thirteen thousand, one hundred thirty-seven".