12004240143 has 16 divisors (see below), whose sum is σ = 18882246656. Its totient is φ = 6638289120.

The previous prime is 12004240111. The next prime is 12004240207. The reversal of 12004240143 is 34104240021.

It is not a de Polignac number, because 12004240143 - 2⁵ = 12004240111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004240103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9219196 + ... + 9220497.

It is an arithmetic number, because the mean of its divisors is an integer number (1180140416).

Almost surely, 2^12004240143 is an apocalyptic number.

12004240143 is a deficient number, since it is larger than the sum of its proper divisors (6878006513).

12004240143 is a wasteful number, since it uses less digits than its factorization.

12004240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439734.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12004240143 its reverse (34104240021), we get a palindrome (46108480164).

The spelling of 12004240143 in words is "twelve billion, four million, two hundred forty thousand, one hundred forty-three".