12421303003 has 4 divisors (see below), whose sum is σ = 12421577128. Its totient is φ = 12421028880.

The previous prime is 12421302961. The next prime is 12421303031. The reversal of 12421303003 is 30030312421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12421303003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421303033) 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, 51138 + ... + 165703.

It is an arithmetic number, because the mean of its divisors is an integer number (3105394282).

Almost surely, 2^12421303003 is an apocalyptic number.

12421303003 is a deficient number, since it is larger than the sum of its proper divisors (274125).

12421303003 is an equidigital number, since it uses as much as digits as its factorization.

12421303003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274124.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12421303003 its reverse (30030312421), we get a palindrome (42451615424).

The spelling of 12421303003 in words is "twelve billion, four hundred twenty-one million, three hundred three thousand, three".