12944181112 has 16 divisors (see below), whose sum is σ = 24272143200. Its totient is φ = 6471609600.

The previous prime is 12944181079. The next prime is 12944181127. The reversal of 12944181112 is 21118144921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71112 + ... + 175912.

It is an arithmetic number, because the mean of its divisors is an integer number (1517008950).

Almost surely, 2^12944181112 is an apocalyptic number.

It is an amenable number.

12944181112 is a deficient number, since it is larger than the sum of its proper divisors (11327962088).

12944181112 is a wasteful number, since it uses less digits than its factorization.

12944181112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120246 (or 120242 counting only the distinct ones).

The product of its digits is 4608, while the sum is 34.

The spelling of 12944181112 in words is "twelve billion, nine hundred forty-four million, one hundred eighty-one thousand, one hundred twelve".