12424014455021 has 8 divisors (see below), whose sum is σ = 13422454549560. Its totient is φ = 11431681028352.

The previous prime is 12424014455011. The next prime is 12424014455077. The reversal of 12424014455021 is 12055441042421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1527908599396 + 10896105855625 = 1236086^2 + 3300925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12424014455021 - 2¹⁰ = 12424014453997 is a prime.

It is a super-2 number, since 2×12424014455021² (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 (12424014455011) 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, 1526662736 + ... + 1526670873.

It is an arithmetic number, because the mean of its divisors is an integer number (1677806818695).

Almost surely, 2^{12424014455021} is an apocalyptic number.

It is an amenable number.

12424014455021 is a deficient number, since it is larger than the sum of its proper divisors (998440094539).

12424014455021 is a wasteful number, since it uses less digits than its factorization.

12424014455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053333935.

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 12424014455021 its reverse (12055441042421), we get a palindrome (24479455497442).

The spelling of 12424014455021 in words is "twelve trillion, four hundred twenty-four billion, fourteen million, four hundred fifty-five thousand, twenty-one".