12104237857 has 2 divisors, whose sum is σ = 12104237858. Its totient is φ = 12104237856.

The previous prime is 12104237851. The next prime is 12104237863. The reversal of 12104237857 is 75873240121.

It is a balanced prime because it is at equal distance from previous prime (12104237851) and next prime (12104237863).

It can be written as a sum of positive squares in only one way, i.e., 8299938816 + 3804299041 = 91104^2 + 61679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12104237857 is a prime.

It is not a weakly prime, because it can be changed into another prime (12104237851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052118928 + 6052118929.

It is an arithmetic number, because the mean of its divisors is an integer number (6052118929).

Almost surely, 2^12104237857 is an apocalyptic number.

It is an amenable number.

12104237857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104237857 is an equidigital number, since it uses as much as digits as its factorization.

12104237857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 12104237857 its reverse (75873240121), we get a palindrome (87977477978).

The spelling of 12104237857 in words is "twelve billion, one hundred four million, two hundred thirty-seven thousand, eight hundred fifty-seven".