12042140403 has 8 divisors (see below), whose sum is σ = 16259430400. Its totient is φ = 7926472008.

The previous prime is 12042140401. The next prime is 12042140419. The reversal of 12042140403 is 30404124021.

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

It is not a de Polignac number, because 12042140403 - 2¹ = 12042140401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12042140403.

It is not an unprimeable number, because it can be changed into a prime (12042140401) 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, 25405123 + ... + 25405596.

It is an arithmetic number, because the mean of its divisors is an integer number (2032428800).

Almost surely, 2^12042140403 is an apocalyptic number.

12042140403 is a deficient number, since it is larger than the sum of its proper divisors (4217289997).

12042140403 is an equidigital number, since it uses as much as digits as its factorization.

12042140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50810801.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12042140403 its reverse (30404124021), we get a palindrome (42446264424).

The spelling of 12042140403 in words is "twelve billion, forty-two million, one hundred forty thousand, four hundred three".