12054220144 has 80 divisors (see below), whose sum is σ = 25085894400. Its totient is φ = 5598230528.

The previous prime is 12054220133. The next prime is 12054220147. The reversal of 12054220144 is 44102245021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054220147) by changing a digit.

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, 1798752 + ... + 1805440.

It is an arithmetic number, because the mean of its divisors is an integer number (313573680).

Almost surely, 2^12054220144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12054220144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12542947200).

12054220144 is an abundant number, since it is smaller than the sum of its proper divisors (13031674256).

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

12054220144 is a wasteful number, since it uses less digits than its factorization.

12054220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862 (or 6856 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12054220144 its reverse (44102245021), we get a palindrome (56156465165).

The spelling of 12054220144 in words is "twelve billion, fifty-four million, two hundred twenty thousand, one hundred forty-four".