12440011004421 has 128 divisors (see below), whose sum is σ = 23061178355712. Its totient is φ = 5804011065600.

The previous prime is 12440011004381. The next prime is 12440011004459.

12440011004421 is nontrivially palindromic in base 10.

12440011004421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12440011004421 - 2⁷ = 12440011004293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12440011004391 and 12440011004400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440011004461) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12981786 + ... + 13907076.

It is an arithmetic number, because the mean of its divisors is an integer number (180165455904).

Almost surely, 2^{12440011004421} is an apocalyptic number.

12440011004421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12440011004421 is a deficient number, since it is larger than the sum of its proper divisors (10621167351291).

12440011004421 is a wasteful number, since it uses less digits than its factorization.

12440011004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925384 (or 925362 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 1244001 and 1004421, that added together give a palindrome (2248422).

The spelling of 12440011004421 in words is "twelve trillion, four hundred forty billion, eleven million, four thousand, four hundred twenty-one".