12040411405 has 8 divisors (see below), whose sum is σ = 15761993184. Its totient is φ = 8756662800.

The previous prime is 12040411399. The next prime is 12040411417. The reversal of 12040411405 is 50411404021.

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

It is not a de Polignac number, because 12040411405 - 2²³ = 12032022797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109458231 + ... + 109458340.

It is an arithmetic number, because the mean of its divisors is an integer number (1970249148).

Almost surely, 2^12040411405 is an apocalyptic number.

It is an amenable number.

12040411405 is a deficient number, since it is larger than the sum of its proper divisors (3721581779).

12040411405 is a wasteful number, since it uses less digits than its factorization.

12040411405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218916587.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12040411405 its reverse (50411404021), we get a palindrome (62451815426).

The spelling of 12040411405 in words is "twelve billion, forty million, four hundred eleven thousand, four hundred five".