12681016286123 has 2 divisors, whose sum is σ = 12681016286124. Its totient is φ = 12681016286122.

The previous prime is 12681016286087. The next prime is 12681016286149. The reversal of 12681016286123 is 32168261018621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12681016286123 - 2¹⁸ = 12681016023979 is a prime.

It is a super-2 number, since 2×12681016286123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12681016286723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6340508143061 + 6340508143062.

It is an arithmetic number, because the mean of its divisors is an integer number (6340508143062).

Almost surely, 2^{12681016286123} is an apocalyptic number.

12681016286123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12681016286123 is an equidigital number, since it uses as much as digits as its factorization.

12681016286123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 12681016286123 in words is "twelve trillion, six hundred eighty-one billion, sixteen million, two hundred eighty-six thousand, one hundred twenty-three".