12678128172460 has 48 divisors (see below), whose sum is σ = 27968091480000. Its totient is φ = 4818206607104.

The previous prime is 12678128172443. The next prime is 12678128172503. The reversal of 12678128172460 is 6427182187621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92418535 + ... + 92555614.

It is an arithmetic number, because the mean of its divisors is an integer number (582668572500).

Almost surely, 2^{12678128172460} is an apocalyptic number.

12678128172460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12678128172460 is an abundant number, since it is smaller than the sum of its proper divisors (15289963307540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12678128172460 is a wasteful number, since it uses less digits than its factorization.

12678128172460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184974330 (or 184974328 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 12678128172460 in words is "twelve trillion, six hundred seventy-eight billion, one hundred twenty-eight million, one hundred seventy-two thousand, four hundred sixty".