12351678652 has 6 divisors (see below), whose sum is σ = 21615437648. Its totient is φ = 6175839324.

The previous prime is 12351678629. The next prime is 12351678679. The reversal of 12351678652 is 25687615321.

12351678652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 1543959828 + ... + 1543959835.

Almost surely, 2^12351678652 is an apocalyptic number.

It is an amenable number.

12351678652 is a deficient number, since it is larger than the sum of its proper divisors (9263758996).

12351678652 is a wasteful number, since it uses less digits than its factorization.

12351678652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087919667 (or 3087919665 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The spelling of 12351678652 in words is "twelve billion, three hundred fifty-one million, six hundred seventy-eight thousand, six hundred fifty-two".