12301233257 has 2 divisors, whose sum is σ = 12301233258. Its totient is φ = 12301233256.

The previous prime is 12301233211. The next prime is 12301233283. The reversal of 12301233257 is 75233210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8512092121 + 3789141136 = 92261^2 + 61556^2 .

It is an emirp because it is prime and its reverse (75233210321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301233257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12306233257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150616628 + 6150616629.

It is an arithmetic number, because the mean of its divisors is an integer number (6150616629).

Almost surely, 2^12301233257 is an apocalyptic number.

It is an amenable number.

12301233257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301233257 is an equidigital number, since it uses as much as digits as its factorization.

12301233257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 12301233257 its reverse (75233210321), we get a palindrome (87534443578).

The spelling of 12301233257 in words is "twelve billion, three hundred one million, two hundred thirty-three thousand, two hundred fifty-seven".