12144844122 has 16 divisors (see below), whose sum is σ = 24294431520. Its totient is φ = 4047490832.

The previous prime is 12144844121. The next prime is 12144844181. The reversal of 12144844122 is 22144844121.

It is not an unprimeable number, because it can be changed into a prime (12144844121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163908 + ... + 226175.

It is an arithmetic number, because the mean of its divisors is an integer number (1518401970).

Almost surely, 2^12144844122 is an apocalyptic number.

12144844122 is an abundant number, since it is smaller than the sum of its proper divisors (12149587398).

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

12144844122 is a wasteful number, since it uses less digits than its factorization.

12144844122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395277.

The product of its digits is 16384, while the sum is 33.

Subtracting 12144844122 from its reverse (22144844121), we obtain a palindrome (9999999999).

The spelling of 12144844122 in words is "twelve billion, one hundred forty-four million, eight hundred forty-four thousand, one hundred twenty-two".