12944278222 has 8 divisors (see below), whose sum is σ = 20042753472. Its totient is φ = 6263360400.

The previous prime is 12944278211. The next prime is 12944278229. The reversal of 12944278222 is 22287244921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944278229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104389279 + ... + 104389402.

It is an arithmetic number, because the mean of its divisors is an integer number (2505344184).

Almost surely, 2^12944278222 is an apocalyptic number.

12944278222 is a deficient number, since it is larger than the sum of its proper divisors (7098475250).

12944278222 is a wasteful number, since it uses less digits than its factorization.

12944278222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208778714.

The product of its digits is 258048, while the sum is 43.

The spelling of 12944278222 in words is "twelve billion, nine hundred forty-four million, two hundred seventy-eight thousand, two hundred twenty-two".