12321412650556 has 12 divisors (see below), whose sum is σ = 21611589390160. Its totient is φ = 6146672824800.

The previous prime is 12321412650527. The next prime is 12321412650571. The reversal of 12321412650556 is 65505621412321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508373145 + ... + 3508376656.

Almost surely, 2^{12321412650556} is an apocalyptic number.

It is an amenable number.

12321412650556 is a deficient number, since it is larger than the sum of its proper divisors (9290176739604).

12321412650556 is a wasteful number, since it uses less digits than its factorization.

12321412650556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016750244 (or 7016750242 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 12321412650556 in words is "twelve trillion, three hundred twenty-one billion, four hundred twelve million, six hundred fifty thousand, five hundred fifty-six".