12656399006 has 8 divisors (see below), whose sum is σ = 19497695880. Its totient is φ = 6157167048.

The previous prime is 12656398999. The next prime is 12656399113. The reversal of 12656399006 is 60099365621.

12656399006 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 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, 85516136 + ... + 85516283.

It is an arithmetic number, because the mean of its divisors is an integer number (2437211985).

Almost surely, 2^12656399006 is an apocalyptic number.

12656399006 is a deficient number, since it is larger than the sum of its proper divisors (6841296874).

12656399006 is a wasteful number, since it uses less digits than its factorization.

12656399006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171032458.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 12656399006 in words is "twelve billion, six hundred fifty-six million, three hundred ninety-nine thousand, six".