12427315318356 has 12 divisors (see below), whose sum is σ = 28997069076192. Its totient is φ = 4142438439448.

The previous prime is 12427315318277. The next prime is 12427315318417. The reversal of 12427315318356 is 65381351372421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12427315318299 and 12427315318308.

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, 517804804920 + ... + 517804804943.

It is an arithmetic number, because the mean of its divisors is an integer number (2416422423016).

Almost surely, 2^{12427315318356} is an apocalyptic number.

It is an amenable number.

12427315318356 is an abundant number, since it is smaller than the sum of its proper divisors (16569753757836).

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

12427315318356 is a wasteful number, since it uses less digits than its factorization.

12427315318356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035609609870 (or 1035609609868 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The spelling of 12427315318356 in words is "twelve trillion, four hundred twenty-seven billion, three hundred fifteen million, three hundred eighteen thousand, three hundred fifty-six".