12440232021039 has 4 divisors (see below), whose sum is σ = 16586976028056. Its totient is φ = 8293488014024.

The previous prime is 12440232021037. The next prime is 12440232021059. The reversal of 12440232021039 is 93012023204421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12440232021039 - 2¹ = 12440232021037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440232021031) 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 3 ways as a sum of consecutive naturals, for example, 2073372003504 + ... + 2073372003509.

It is an arithmetic number, because the mean of its divisors is an integer number (4146744007014).

Almost surely, 2^{12440232021039} is an apocalyptic number.

12440232021039 is a deficient number, since it is larger than the sum of its proper divisors (4146744007017).

12440232021039 is an equidigital number, since it uses as much as digits as its factorization.

12440232021039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146744007016.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 12440232021039 in words is "twelve trillion, four hundred forty billion, two hundred thirty-two million, twenty-one thousand, thirty-nine".