12944184432905 has 16 divisors (see below), whose sum is σ = 17049071934144. Its totient is φ = 9356197999680.

The previous prime is 12944184432887. The next prime is 12944184432911. The reversal of 12944184432905 is 50923448144921.

12944184432905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12944184432905 - 2¹⁸ = 12944184170761 is a prime.

It is a Duffinian 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, 721919894 + ... + 721937823.

It is an arithmetic number, because the mean of its divisors is an integer number (1065566995884).

Almost surely, 2^{12944184432905} is an apocalyptic number.

It is an amenable number.

12944184432905 is a deficient number, since it is larger than the sum of its proper divisors (4104887501239).

12944184432905 is a wasteful number, since it uses less digits than its factorization.

12944184432905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443857896.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 12944184432905 in words is "twelve trillion, nine hundred forty-four billion, one hundred eighty-four million, four hundred thirty-two thousand, nine hundred five".