12424032401021 has 8 divisors (see below), whose sum is σ = 13090254904800. Its totient is φ = 11759042503440.

The previous prime is 12424032400993. The next prime is 12424032401023. The reversal of 12424032401021 is 12010423042421.

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 12424032401021 - 2¹⁸ = 12424032138877 is a prime.

It is a super-2 number, since 2×12424032401021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424032401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308130851 + ... + 308171168.

It is an arithmetic number, because the mean of its divisors is an integer number (1636281863100).

Almost surely, 2^{12424032401021} is an apocalyptic number.

It is an amenable number.

12424032401021 is a deficient number, since it is larger than the sum of its proper divisors (666222503779).

12424032401021 is a wasteful number, since it uses less digits than its factorization.

12424032401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616303099.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12424032401021 its reverse (12010423042421), we get a palindrome (24434455443442).

The spelling of 12424032401021 in words is "twelve trillion, four hundred twenty-four billion, thirty-two million, four hundred one thousand, twenty-one".