12943566534922 has 16 divisors (see below), whose sum is σ = 19525324210920. Its totient is φ = 6435163580608.

The previous prime is 12943566534919. The next prime is 12943566534967. The reversal of 12943566534922 is 22943566534921.

It can be written as a sum of positive squares in 4 ways, for example, as 12894929084401 + 48637450521 = 3590951^2 + 220539^2 .

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 7 ways as a sum of consecutive naturals, for example, 8938033 + ... + 10284724.

Almost surely, 2^{12943566534922} is an apocalyptic number.

12943566534922 is a deficient number, since it is larger than the sum of its proper divisors (6581757675998).

12943566534922 is a wasteful number, since it uses less digits than its factorization.

12943566534922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19224665.

The product of its digits is 83980800, while the sum is 61.

Subtracting 12943566534922 from its reverse (22943566534921), we obtain a palindrome (9999999999999).

The spelling of 12943566534922 in words is "twelve trillion, nine hundred forty-three billion, five hundred sixty-six million, five hundred thirty-four thousand, nine hundred twenty-two".