12759420673520 has 20 divisors (see below), whose sum is σ = 29665653066120. Its totient is φ = 5103768269376.

The previous prime is 12759420673511. The next prime is 12759420673579. The reversal of 12759420673520 is 2537602495721.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79746379130 + ... + 79746379289.

It is an arithmetic number, because the mean of its divisors is an integer number (1483282653306).

Almost surely, 2^{12759420673520} is an apocalyptic number.

12759420673520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12759420673520 is an abundant number, since it is smaller than the sum of its proper divisors (16906232392600).

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

12759420673520 is a wasteful number, since it uses less digits than its factorization.

12759420673520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159492758432 (or 159492758426 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 12759420673520 in words is "twelve trillion, seven hundred fifty-nine billion, four hundred twenty million, six hundred seventy-three thousand, five hundred twenty".