12321412056055 has 16 divisors (see below), whose sum is σ = 15302703870720. Its totient is φ = 9512774836992.

The previous prime is 12321412055989. The next prime is 12321412056061. The reversal of 12321412056055 is 55065021412321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321412056055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19572039 + ... + 20191768.

It is an arithmetic number, because the mean of its divisors is an integer number (956418991920).

Almost surely, 2^{12321412056055} is an apocalyptic number.

12321412056055 is a deficient number, since it is larger than the sum of its proper divisors (2981291814665).

12321412056055 is a wasteful number, since it uses less digits than its factorization.

12321412056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39765978.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 12321412056055 its reverse (55065021412321), we get a palindrome (67386433468376).

The spelling of 12321412056055 in words is "twelve trillion, three hundred twenty-one billion, four hundred twelve million, fifty-six thousand, fifty-five".