12042432004 has 12 divisors (see below), whose sum is σ = 21800954700. Its totient is φ = 5813587808.

The previous prime is 12042431993. The next prime is 12042432007. The reversal of 12042432004 is 40023424021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6915585600 + 5126846404 = 83160^2 + 71602^2 .

It is a super-3 number, since 3×12042432004³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12042432007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51906919 + ... + 51907150.

It is an arithmetic number, because the mean of its divisors is an integer number (1816746225).

Almost surely, 2^12042432004 is an apocalyptic number.

It is an amenable number.

12042432004 is a deficient number, since it is larger than the sum of its proper divisors (9758522696).

12042432004 is a wasteful number, since it uses less digits than its factorization.

12042432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103814102 (or 103814100 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12042432004 its reverse (40023424021), we get a palindrome (52065856025).

The spelling of 12042432004 in words is "twelve billion, forty-two million, four hundred thirty-two thousand, four".