12680450821126 has 16 divisors (see below), whose sum is σ = 20749910466960. Its totient is φ = 5763818546080.

The previous prime is 12680450821117. The next prime is 12680450821133. The reversal of 12680450821126 is 62112805408621.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5403240 + ... + 7386196.

It is an arithmetic number, because the mean of its divisors is an integer number (1296869404185).

Almost surely, 2^{12680450821126} is an apocalyptic number.

12680450821126 is a deficient number, since it is larger than the sum of its proper divisors (8069459645834).

12680450821126 is a wasteful number, since it uses less digits than its factorization.

12680450821126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273639.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 12680450821126 in words is "twelve trillion, six hundred eighty billion, four hundred fifty million, eight hundred twenty-one thousand, one hundred twenty-six".