12054042140 has 96 divisors (see below), whose sum is σ = 29571696000. Its totient is φ = 4125596160.

The previous prime is 12054042137. The next prime is 12054042157. The reversal of 12054042140 is 4124045021.

12054042140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5219306 + ... + 5221614.

It is an arithmetic number, because the mean of its divisors is an integer number (308038500).

Almost surely, 2^12054042140 is an apocalyptic number.

12054042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12054042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785848000).

12054042140 is an abundant number, since it is smaller than the sum of its proper divisors (17517653860).

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

12054042140 is a wasteful number, since it uses less digits than its factorization.

12054042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 12054042140 its reverse (4124045021), we get a palindrome (16178087161).

The spelling of 12054042140 in words is "twelve billion, fifty-four million, forty-two thousand, one hundred forty".