12434304421 has 16 divisors (see below), whose sum is σ = 15513867648. Its totient is φ = 9681969600.

The previous prime is 12434304419. The next prime is 12434304427. The reversal of 12434304421 is 12440343421.

12434304421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12434304421 - 2¹ = 12434304419 is a prime.

It is a super-2 number, since 2×12434304421² (a number of 21 digits) contains 22 as substring.

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 12434304421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434304427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47871 + ... + 164803.

It is an arithmetic number, because the mean of its divisors is an integer number (969616728).

Almost surely, 2^12434304421 is an apocalyptic number.

12434304421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12434304421 is a deficient number, since it is larger than the sum of its proper divisors (3079563227).

12434304421 is a wasteful number, since it uses less digits than its factorization.

12434304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118332.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12434304421 its reverse (12440343421), we get a palindrome (24874647842).

The spelling of 12434304421 in words is "twelve billion, four hundred thirty-four million, three hundred four thousand, four hundred twenty-one".