12440012120411 has 4 divisors (see below), whose sum is σ = 12440090733672. Its totient is φ = 12439933507152.

The previous prime is 12440012120353. The next prime is 12440012120413. The reversal of 12440012120411 is 11402121004421.

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 12440012120411 - 2¹⁴ = 12440012104027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12440012120413) 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, 39068786 + ... + 39385911.

It is an arithmetic number, because the mean of its divisors is an integer number (3110022683418).

Almost surely, 2^{12440012120411} is an apocalyptic number.

12440012120411 is a deficient number, since it is larger than the sum of its proper divisors (78613261).

12440012120411 is an equidigital number, since it uses as much as digits as its factorization.

12440012120411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78613260.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 12440012120411 its reverse (11402121004421), we get a palindrome (23842133124832).

The spelling of 12440012120411 in words is "twelve trillion, four hundred forty billion, twelve million, one hundred twenty thousand, four hundred eleven".