12230311121233 has 2 divisors, whose sum is σ = 12230311121234. Its totient is φ = 12230311121232.

The previous prime is 12230311121153. The next prime is 12230311121243. The reversal of 12230311121233 is 33212111303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6675960428944 + 5554350692289 = 2583788^2 + 2356767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230311121233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230311121198 and 12230311121207.

It is not a weakly prime, because it can be changed into another prime (12230311121243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115155560616 + 6115155560617.

It is an arithmetic number, because the mean of its divisors is an integer number (6115155560617).

Almost surely, 2^{12230311121233} is an apocalyptic number.

It is an amenable number.

12230311121233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230311121233 is an equidigital number, since it uses as much as digits as its factorization.

12230311121233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12230311121233 its reverse (33212111303221), we get a palindrome (45442422424454).

The spelling of 12230311121233 in words is "twelve trillion, two hundred thirty billion, three hundred eleven million, one hundred twenty-one thousand, two hundred thirty-three".