12168680737 has 2 divisors, whose sum is σ = 12168680738. Its totient is φ = 12168680736.

The previous prime is 12168680717. The next prime is 12168680791. The reversal of 12168680737 is 73708686121.

It is a happy number.

12168680737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11941244176 + 227436561 = 109276^2 + 15081^2 .

It is a cyclic number.

It is not a de Polignac number, because 12168680737 - 2¹⁹ = 12168156449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12168680717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084340368 + 6084340369.

It is an arithmetic number, because the mean of its divisors is an integer number (6084340369).

Almost surely, 2^12168680737 is an apocalyptic number.

It is an amenable number.

12168680737 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168680737 is an equidigital number, since it uses as much as digits as its factorization.

12168680737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 12168680737 in words is "twelve billion, one hundred sixty-eight million, six hundred eighty thousand, seven hundred thirty-seven".