12413231421 has 4 divisors (see below), whose sum is σ = 16550975232. Its totient is φ = 8275487612.

The previous prime is 12413231407. The next prime is 12413231423.

12413231421 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12413231421 - 2⁷ = 12413231293 is a prime.

It is a super-3 number, since 3×12413231421³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12413231391 and 12413231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413231423) 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 3 ways as a sum of consecutive naturals, for example, 2068871901 + ... + 2068871906.

It is an arithmetic number, because the mean of its divisors is an integer number (4137743808).

Almost surely, 2^12413231421 is an apocalyptic number.

It is an amenable number.

12413231421 is a deficient number, since it is larger than the sum of its proper divisors (4137743811).

12413231421 is an equidigital number, since it uses as much as digits as its factorization.

12413231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137743810.

The product of its digits is 1152, while the sum is 24.

The spelling of 12413231421 in words is "twelve billion, four hundred thirteen million, two hundred thirty-one thousand, four hundred twenty-one".