12434242403 has 16 divisors (see below), whose sum is σ = 13880747520. Its totient is φ = 11041380000.

The previous prime is 12434242363. The next prime is 12434242417. The reversal of 12434242403 is 30424243421.

It is a cyclic number.

It is not a de Polignac number, because 12434242403 - 2¹⁸ = 12433980259 is a prime.

It is a super-2 number, since 2×12434242403² (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 (12434242423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239528 + ... + 286778.

It is an arithmetic number, because the mean of its divisors is an integer number (867546720).

Almost surely, 2^12434242403 is an apocalyptic number.

12434242403 is a deficient number, since it is larger than the sum of its proper divisors (1446505117).

12434242403 is a wasteful number, since it uses less digits than its factorization.

12434242403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47818.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12434242403 its reverse (30424243421), we get a palindrome (42858485824).

The spelling of 12434242403 in words is "twelve billion, four hundred thirty-four million, two hundred forty-two thousand, four hundred three".