12003042231 has 24 divisors (see below), whose sum is σ = 17843578896. Its totient is φ = 7770712320.

The previous prime is 12003042211. The next prime is 12003042263. The reversal of 12003042231 is 13224030021.

It is not a de Polignac number, because 12003042231 - 2⁹ = 12003041719 is a prime.

It is a super-2 number, since 2×12003042231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003042211) 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 23 ways as a sum of consecutive naturals, for example, 22690 + ... + 156591.

It is an arithmetic number, because the mean of its divisors is an integer number (743482454).

Almost surely, 2^12003042231 is an apocalyptic number.

12003042231 is a deficient number, since it is larger than the sum of its proper divisors (5840536665).

12003042231 is a wasteful number, since it uses less digits than its factorization.

12003042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179503 (or 179500 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12003042231 its reverse (13224030021), we get a palindrome (25227072252).

It can be divided in two parts, 120030 and 42231, that added together give a palindrome (162261).

The spelling of 12003042231 in words is "twelve billion, three million, forty-two thousand, two hundred thirty-one".