12432021003421 has 8 divisors (see below), whose sum is σ = 12437041115840. Its totient is φ = 12427001391168.

The previous prime is 12432021003331. The next prime is 12432021003439. The reversal of 12432021003421 is 12430012023421.

12432021003421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12432021003421 - 2⁷ = 12432021003293 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 (12432021007421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54331765 + ... + 54560101.

It is an arithmetic number, because the mean of its divisors is an integer number (1554630139480).

Almost surely, 2^{12432021003421} is an apocalyptic number.

It is an amenable number.

12432021003421 is a deficient number, since it is larger than the sum of its proper divisors (5020112419).

12432021003421 is a wasteful number, since it uses less digits than its factorization.

12432021003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250083.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12432021003421 its reverse (12430012023421), we get a palindrome (24862033026842).

The spelling of 12432021003421 in words is "twelve trillion, four hundred thirty-two billion, twenty-one million, three thousand, four hundred twenty-one".