12643603452296 has 64 divisors (see below), whose sum is σ = 24087552698880. Its totient is φ = 6220472417280.

The previous prime is 12643603452239. The next prime is 12643603452331. The reversal of 12643603452296 is 69225430634621.

It is a super-2 number, since 2×12643603452296² (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 15 ways as a sum of consecutive naturals, for example, 2772109856 + ... + 2772114416.

It is an arithmetic number, because the mean of its divisors is an integer number (376368010920).

Almost surely, 2^{12643603452296} is an apocalyptic number.

It is an amenable number.

12643603452296 is a deficient number, since it is larger than the sum of its proper divisors (11443949246584).

12643603452296 is a wasteful number, since it uses less digits than its factorization.

12643603452296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9294 (or 9290 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 12643603452296 in words is "twelve trillion, six hundred forty-three billion, six hundred three million, four hundred fifty-two thousand, two hundred ninety-six".