12440304203 has 8 divisors (see below), whose sum is σ = 12874738800. Its totient is φ = 12006233568.

The previous prime is 12440304199. The next prime is 12440304257. The reversal of 12440304203 is 30240304421.

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

It is a cyclic number.

It is not a de Polignac number, because 12440304203 - 2² = 12440304199 is a prime.

It is a super-2 number, since 2×12440304203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12440364203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20501 + ... + 159062.

It is an arithmetic number, because the mean of its divisors is an integer number (1609342350).

Almost surely, 2^12440304203 is an apocalyptic number.

12440304203 is a deficient number, since it is larger than the sum of its proper divisors (434434597).

12440304203 is a wasteful number, since it uses less digits than its factorization.

12440304203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181981.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12440304203 its reverse (30240304421), we get a palindrome (42680608624).

The spelling of 12440304203 in words is "twelve billion, four hundred forty million, three hundred four thousand, two hundred three".