12643478730082 has 32 divisors (see below), whose sum is σ = 20830982699520. Its totient is φ = 5731275563520.

The previous prime is 12643478730079. The next prime is 12643478730097. The reversal of 12643478730082 is 28003787434621.

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, 57294478 + ... + 57514729.

It is an arithmetic number, because the mean of its divisors is an integer number (650968209360).

Almost surely, 2^{12643478730082} is an apocalyptic number.

12643478730082 is a deficient number, since it is larger than the sum of its proper divisors (8187503969438).

12643478730082 is a wasteful number, since it uses less digits than its factorization.

12643478730082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114809346.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 12643478730082 in words is "twelve trillion, six hundred forty-three billion, four hundred seventy-eight million, seven hundred thirty thousand, eighty-two".