12040420003 has 8 divisors (see below), whose sum is σ = 12298321728. Its totient is φ = 11782590144.

The previous prime is 12040419991. The next prime is 12040420019. The reversal of 12040420003 is 30002404021.

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-12040420003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040490003) 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, 449125 + ... + 475177.

It is an arithmetic number, because the mean of its divisors is an integer number (1537290216).

Almost surely, 2^12040420003 is an apocalyptic number.

12040420003 is a deficient number, since it is larger than the sum of its proper divisors (257901725).

12040420003 is an equidigital number, since it uses as much as digits as its factorization.

12040420003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12040420003 its reverse (30002404021), we get a palindrome (42042824024).

The spelling of 12040420003 in words is "twelve billion, forty million, four hundred twenty thousand, three".