12428133694 has 8 divisors (see below), whose sum is σ = 18653720040. Its totient is φ = 6210227016.

The previous prime is 12428133677. The next prime is 12428133701. The reversal of 12428133694 is 49633182421.

12428133694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12428133694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915869 + ... + 1922344.

It is an arithmetic number, because the mean of its divisors is an integer number (2331715005).

Almost surely, 2^12428133694 is an apocalyptic number.

12428133694 is a deficient number, since it is larger than the sum of its proper divisors (6225586346).

12428133694 is a wasteful number, since it uses less digits than its factorization.

12428133694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839834.

The product of its digits is 248832, while the sum is 43.

The spelling of 12428133694 in words is "twelve billion, four hundred twenty-eight million, one hundred thirty-three thousand, six hundred ninety-four".