12320543166126 has 16 divisors (see below), whose sum is σ = 26536554511824. Its totient is φ = 3790936358784.

The previous prime is 12320543166119. The next prime is 12320543166131. The reversal of 12320543166126 is 62166134502321.

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 7 ways as a sum of consecutive naturals, for example, 78977840731 + ... + 78977840886.

It is an arithmetic number, because the mean of its divisors is an integer number (1658534656989).

Almost surely, 2^{12320543166126} is an apocalyptic number.

12320543166126 is an abundant number, since it is smaller than the sum of its proper divisors (14216011345698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320543166126 is a wasteful number, since it uses less digits than its factorization.

12320543166126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157955681635.

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 12320543166126 its reverse (62166134502321), we get a palindrome (74486677668447).

The spelling of 12320543166126 in words is "twelve trillion, three hundred twenty billion, five hundred forty-three million, one hundred sixty-six thousand, one hundred twenty-six".