12980647343656 has 32 divisors (see below), whose sum is σ = 24425064518400. Its totient is φ = 6467310639040.

The previous prime is 12980647343621. The next prime is 12980647343669. The reversal of 12980647343656 is 65634374608921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6658290 + ... + 8384158.

It is an arithmetic number, because the mean of its divisors is an integer number (763283266200).

It is a 1-persistent number, because it is pandigital, but 2⋅12980647343656 = 25961294687312 is not.

Almost surely, 2^{12980647343656} is an apocalyptic number.

It is an amenable number.

12980647343656 is a deficient number, since it is larger than the sum of its proper divisors (11444417174744).

12980647343656 is a wasteful number, since it uses less digits than its factorization.

12980647343656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729209 (or 1729205 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 12980647343656 in words is "twelve trillion, nine hundred eighty billion, six hundred forty-seven million, three hundred forty-three thousand, six hundred fifty-six".