12163144326 has 32 divisors (see below), whose sum is σ = 26877132288. Its totient is φ = 3649979520.

The previous prime is 12163144297. The next prime is 12163144339. The reversal of 12163144326 is 62344136121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589970 + ... + 2594661.

It is an arithmetic number, because the mean of its divisors is an integer number (839910384).

Almost surely, 2^12163144326 is an apocalyptic number.

12163144326 is an abundant number, since it is smaller than the sum of its proper divisors (14713987962).

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

12163144326 is a wasteful number, since it uses less digits than its factorization.

12163144326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184676.

The product of its digits is 20736, while the sum is 33.

The spelling of 12163144326 in words is "twelve billion, one hundred sixty-three million, one hundred forty-four thousand, three hundred twenty-six".