12003042043 has 8 divisors (see below), whose sum is σ = 12404616336. Its totient is φ = 11606649600.

The previous prime is 12003042013. The next prime is 12003042053. The reversal of 12003042043 is 34024030021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003042043 is a prime.

It is a super-2 number, since 2×12003042043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12003042043.

It is not an unprimeable number, because it can be changed into a prime (12003042013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290753 + ... + 1300018.

It is an arithmetic number, because the mean of its divisors is an integer number (1550577042).

Almost surely, 2^12003042043 is an apocalyptic number.

12003042043 is a deficient number, since it is larger than the sum of its proper divisors (401574293).

12003042043 is a wasteful number, since it uses less digits than its factorization.

12003042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590925.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12003042043 its reverse (34024030021), we get a palindrome (46027072064).

The spelling of 12003042043 in words is "twelve billion, three million, forty-two thousand, forty-three".