12688384186925 has 48 divisors (see below), whose sum is σ = 16187191953408. Its totient is φ = 9861972556800.

The previous prime is 12688384186909. The next prime is 12688384186963. The reversal of 12688384186925 is 52968148388621.

It is a happy number.

It is not a de Polignac number, because 12688384186925 - 2⁴ = 12688384186909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165108260 + ... + 165185090.

It is an arithmetic number, because the mean of its divisors is an integer number (337233165696).

Almost surely, 2^{12688384186925} is an apocalyptic number.

It is an amenable number.

12688384186925 is a deficient number, since it is larger than the sum of its proper divisors (3498807766483).

12688384186925 is a wasteful number, since it uses less digits than its factorization.

12688384186925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78110 (or 78105 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 71.

The spelling of 12688384186925 in words is "twelve trillion, six hundred eighty-eight billion, three hundred eighty-four million, one hundred eighty-six thousand, nine hundred twenty-five".