12888706315440 has 40 divisors (see below), whose sum is σ = 39954989578608. Its totient is φ = 3436988350720.

The previous prime is 12888706315427. The next prime is 12888706315451. The reversal of 12888706315440 is 4451360788821.

12888706315440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12888706315440² (a number of 27 digits) contains 22 as substring.

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, 26851471251 + ... + 26851471730.

Almost surely, 2^{12888706315440} is an apocalyptic number.

12888706315440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12888706315440 is an abundant number, since it is smaller than the sum of its proper divisors (27066283263168).

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

12888706315440 is a wasteful number, since it uses less digits than its factorization.

12888706315440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53702942997 (or 53702942991 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 12888706315440 in words is "twelve trillion, eight hundred eighty-eight billion, seven hundred six million, three hundred fifteen thousand, four hundred forty".