12042443004 has 24 divisors (see below), whose sum is σ = 28113961680. Its totient is φ = 4012015104.

The previous prime is 12042443003. The next prime is 12042443027. The reversal of 12042443004 is 40034424021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042443003) 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, 242959 + ... + 288294.

It is an arithmetic number, because the mean of its divisors is an integer number (1171415070).

Almost surely, 2^12042443004 is an apocalyptic number.

It is an amenable number.

12042443004 is an abundant number, since it is smaller than the sum of its proper divisors (16071518676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042443004 is a wasteful number, since it uses less digits than its factorization.

12042443004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533149 (or 533147 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12042443004 its reverse (40034424021), we get a palindrome (52076867025).

The spelling of 12042443004 in words is "twelve billion, forty-two million, four hundred forty-three thousand, four".