12432411423421 has 32 divisors (see below), whose sum is σ = 13767613286400. Its totient is φ = 11132094180480.

The previous prime is 12432411423379. The next prime is 12432411423427.

12432411423421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12432411423421 - 2⁷ = 12432411423293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432411423427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824258946 + ... + 824274028.

It is an arithmetic number, because the mean of its divisors is an integer number (430237915200).

Almost surely, 2^{12432411423421} is an apocalyptic number.

12432411423421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12432411423421 is a deficient number, since it is larger than the sum of its proper divisors (1335201862979).

12432411423421 is a wasteful number, since it uses less digits than its factorization.

12432411423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409.

The product of its digits is 36864, while the sum is 34.

It can be divided in two parts, 1243241 and 1423421, that added together give a palindrome (2666662).

The spelling of 12432411423421 in words is "twelve trillion, four hundred thirty-two billion, four hundred eleven million, four hundred twenty-three thousand, four hundred twenty-one".