12012002424144 has 100 divisors (see below), whose sum is σ = 34768598679540. Its totient is φ = 4003726855680.

The previous prime is 12012002424143. The next prime is 12012002424167. The reversal of 12012002424144 is 44142420021021.

12012002424144 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 2 + 0 + 0 + 242 + 414 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 595848135744 + 11416154288400 = 771912^2 + 3378780^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002424143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19090234 + ... + 19709414.

Almost surely, 2^{12012002424144} is an apocalyptic number.

It is an amenable number.

12012002424144 is an abundant number, since it is smaller than the sum of its proper divisors (22756596255396).

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

12012002424144 is a wasteful number, since it uses less digits than its factorization.

12012002424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634170 (or 634155 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 12012002424144 its reverse (44142420021021), we get a palindrome (56154422445165).

The spelling of 12012002424144 in words is "twelve trillion, twelve billion, two million, four hundred twenty-four thousand, one hundred forty-four".