12928128041244 has 24 divisors (see below), whose sum is σ = 32486065334800. Its totient is φ = 3977885551104.

The previous prime is 12928128041233. The next prime is 12928128041263. The reversal of 12928128041244 is 44214082182921.

It is a junction number, because it is equal to n+sod(n) for n = 12928128041193 and 12928128041202.

It is a congruent number.

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, 41436307669 + ... + 41436307980.

Almost surely, 2^{12928128041244} is an apocalyptic number.

It is an amenable number.

12928128041244 is an abundant number, since it is smaller than the sum of its proper divisors (19557937293556).

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

12928128041244 is a wasteful number, since it uses less digits than its factorization.

12928128041244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82872615669 (or 82872615667 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 12928128041244 in words is "twelve trillion, nine hundred twenty-eight billion, one hundred twenty-eight million, forty-one thousand, two hundred forty-four".