12233000257 has 2 divisors, whose sum is σ = 12233000258. Its totient is φ = 12233000256.

The previous prime is 12233000201. The next prime is 12233000281. The reversal of 12233000257 is 75200033221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8376093441 + 3856906816 = 91521^2 + 62104^2 .

It is an emirp because it is prime and its reverse (75200033221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12233000257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12233040257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116500128 + 6116500129.

It is an arithmetic number, because the mean of its divisors is an integer number (6116500129).

Almost surely, 2^12233000257 is an apocalyptic number.

It is an amenable number.

12233000257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233000257 is an equidigital number, since it uses as much as digits as its factorization.

12233000257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 12233000257 its reverse (75200033221), we get a palindrome (87433033478).

The spelling of 12233000257 in words is "twelve billion, two hundred thirty-three million, two hundred fifty-seven", and thus it is an aban number.