12642666024826 has 8 divisors (see below), whose sum is σ = 18981839114784. Its totient is φ = 6315386319900.

The previous prime is 12642666024749. The next prime is 12642666024881. The reversal of 12642666024826 is 62842066624621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2973343600 + ... + 2973347851.

It is an arithmetic number, because the mean of its divisors is an integer number (2372729889348).

Almost surely, 2^{12642666024826} is an apocalyptic number.

12642666024826 is a deficient number, since it is larger than the sum of its proper divisors (6339173089958).

12642666024826 is a wasteful number, since it uses less digits than its factorization.

12642666024826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946692516.

The product of its (nonzero) digits is 15925248, while the sum is 55.

The spelling of 12642666024826 in words is "twelve trillion, six hundred forty-two billion, six hundred sixty-six million, twenty-four thousand, eight hundred twenty-six".