12660651359 has 2 divisors, whose sum is σ = 12660651360. Its totient is φ = 12660651358.

The previous prime is 12660651347. The next prime is 12660651371. The reversal of 12660651359 is 95315606621.

It is a balanced prime because it is at equal distance from previous prime (12660651347) and next prime (12660651371).

It is a cyclic number.

It is not a de Polignac number, because 12660651359 - 2⁸ = 12660651103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12660651319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330325679 + 6330325680.

It is an arithmetic number, because the mean of its divisors is an integer number (6330325680).

Almost surely, 2^12660651359 is an apocalyptic number.

12660651359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660651359 is an equidigital number, since it uses as much as digits as its factorization.

12660651359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 12660651359 in words is "twelve billion, six hundred sixty million, six hundred fifty-one thousand, three hundred fifty-nine".