12424402003 has 4 divisors (see below), whose sum is σ = 13380125248. Its totient is φ = 11468678760.

The previous prime is 12424401973. The next prime is 12424402007. The reversal of 12424402003 is 30020442421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12424402003 - 2²⁵ = 12390847571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12424402007) 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, 477861603 + ... + 477861628.

It is an arithmetic number, because the mean of its divisors is an integer number (3345031312).

Almost surely, 2^12424402003 is an apocalyptic number.

12424402003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12424402003 is a deficient number, since it is larger than the sum of its proper divisors (955723245).

12424402003 is an equidigital number, since it uses as much as digits as its factorization.

12424402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955723244.

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

Adding to 12424402003 its reverse (30020442421), we get a palindrome (42444844424).

The spelling of 12424402003 in words is "twelve billion, four hundred twenty-four million, four hundred two thousand, three".