12231230310137 has 2 divisors, whose sum is σ = 12231230310138. Its totient is φ = 12231230310136.

The previous prime is 12231230310029. The next prime is 12231230310139. The reversal of 12231230310137 is 73101303213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10155847206976 + 2075383103161 = 3186824^2 + 1440619^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231230310137 - 2¹⁴ = 12231230293753 is a prime.

It is a super-2 number, since 2×12231230310137² (a number of 27 digits) contains 22 as substring.

Together with 12231230310139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12231230310139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115615155068 + 6115615155069.

It is an arithmetic number, because the mean of its divisors is an integer number (6115615155069).

Almost surely, 2^{12231230310137} is an apocalyptic number.

It is an amenable number.

12231230310137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231230310137 is an equidigital number, since it uses as much as digits as its factorization.

12231230310137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 12231230310137 its reverse (73101303213221), we get a palindrome (85332533523358).

The spelling of 12231230310137 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty million, three hundred ten thousand, one hundred thirty-seven".