12230320221137 has 2 divisors, whose sum is σ = 12230320221138. Its totient is φ = 12230320221136.

The previous prime is 12230320221061. The next prime is 12230320221167. The reversal of 12230320221137 is 73112202303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086016870801 + 2144303350336 = 3175849^2 + 1464344^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230320221137 - 2⁴⁰ = 11130808593361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12230320221167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115160110568 + 6115160110569.

It is an arithmetic number, because the mean of its divisors is an integer number (6115160110569).

Almost surely, 2^{12230320221137} is an apocalyptic number.

It is an amenable number.

12230320221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230320221137 is an equidigital number, since it uses as much as digits as its factorization.

12230320221137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 12230320221137 its reverse (73112202303221), we get a palindrome (85342522524358).

The spelling of 12230320221137 in words is "twelve trillion, two hundred thirty billion, three hundred twenty million, two hundred twenty-one thousand, one hundred thirty-seven".