12042431033 has 8 divisors (see below), whose sum is σ = 12374800320. Its totient is φ = 11710424880.

The previous prime is 12042430997. The next prime is 12042431053. The reversal of 12042431033 is 33013424021.

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

It is a cyclic number.

It is not a de Polignac number, because 12042431033 - 2⁶ = 12042430969 is a prime.

It is a super-3 number, since 3×12042431033³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042431053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22853 + ... + 156866.

It is an arithmetic number, because the mean of its divisors is an integer number (1546850040).

Almost surely, 2^12042431033 is an apocalyptic number.

It is an amenable number.

12042431033 is a deficient number, since it is larger than the sum of its proper divisors (332369287).

12042431033 is a wasteful number, since it uses less digits than its factorization.

12042431033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181567.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12042431033 its reverse (33013424021), we get a palindrome (45055855054).

The spelling of 12042431033 in words is "twelve billion, forty-two million, four hundred thirty-one thousand, thirty-three".