12681016286126 has 32 divisors (see below), whose sum is σ = 20300230471680. Its totient is φ = 5920196639616.

The previous prime is 12681016286123. The next prime is 12681016286149. The reversal of 12681016286126 is 62168261018621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681016286123) 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 in 15 ways as a sum of consecutive naturals, for example, 81355301 + ... + 81511023.

It is an arithmetic number, because the mean of its divisors is an integer number (634382202240).

Almost surely, 2^{12681016286126} is an apocalyptic number.

12681016286126 is a deficient number, since it is larger than the sum of its proper divisors (7619214185554).

12681016286126 is a wasteful number, since it uses less digits than its factorization.

12681016286126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174728.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 12681016286126 in words is "twelve trillion, six hundred eighty-one billion, sixteen million, two hundred eighty-six thousand, one hundred twenty-six".