12012003012144 has 40 divisors (see below), whose sum is σ = 32380182035712. Its totient is φ = 3829914003520.

The previous prime is 12012003012133. The next prime is 12012003012157. The reversal of 12012003012144 is 44121030021021.

It is a super-2 number, since 2×12012003012144² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012003012144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440217652 + ... + 5440219859.

Almost surely, 2^{12012003012144} is an apocalyptic number.

It is an amenable number.

12012003012144 is an abundant number, since it is smaller than the sum of its proper divisors (20368179023568).

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

12012003012144 is a wasteful number, since it uses less digits than its factorization.

12012003012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880437545 (or 10880437539 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12012003012144 its reverse (44121030021021), we get a palindrome (56133033033165).

The spelling of 12012003012144 in words is "twelve trillion, twelve billion, three million, twelve thousand, one hundred forty-four".