12044220144 has 80 divisors (see below), whose sum is σ = 35113288320. Its totient is φ = 3523905280.

The previous prime is 12044220127. The next prime is 12044220187. The reversal of 12044220144 is 44102244021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377982 + ... + 408605.

It is an arithmetic number, because the mean of its divisors is an integer number (438916104).

Almost surely, 2^12044220144 is an apocalyptic number.

It is an amenable number.

12044220144 is an abundant number, since it is smaller than the sum of its proper divisors (23069068176).

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

12044220144 is a wasteful number, since it uses less digits than its factorization.

12044220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786638 (or 786632 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12044220144 its reverse (44102244021), we get a palindrome (56146464165).

The spelling of 12044220144 in words is "twelve billion, forty-four million, two hundred twenty thousand, one hundred forty-four".