12122004408 has 128 divisors (see below), whose sum is σ = 33245856000. Its totient is φ = 3668474880.

The previous prime is 12122004407. The next prime is 12122004421. The reversal of 12122004408 is 80440022121.

12122004408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 1808343 + ... + 1815033.

It is an arithmetic number, because the mean of its divisors is an integer number (259733250).

Almost surely, 2^12122004408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122004408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16622928000).

12122004408 is an abundant number, since it is smaller than the sum of its proper divisors (21123851592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122004408 is a wasteful number, since it uses less digits than its factorization.

12122004408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885 (or 6881 counting only the distinct ones).

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

Adding to 12122004408 its reverse (80440022121), we get a palindrome (92562026529).

The spelling of 12122004408 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred eight".