12122004404 has 24 divisors (see below), whose sum is σ = 21736011528. Its totient is φ = 5911784960.

The previous prime is 12122004403. The next prime is 12122004407. The reversal of 12122004404 is 40440022121.

12122004404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1722084004 + 10399920400 = 41498^2 + 101980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227872 + ... + 1237704.

It is an arithmetic number, because the mean of its divisors is an integer number (905667147).

Almost surely, 2^12122004404 is an apocalyptic number.

It is an amenable number.

12122004404 is a deficient number, since it is larger than the sum of its proper divisors (9614007124).

12122004404 is a wasteful number, since it uses less digits than its factorization.

12122004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395 (or 17393 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12122004404 its reverse (40440022121), we get a palindrome (52562026525).

The spelling of 12122004404 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred four".