12122122104 has 24 divisors (see below), whose sum is σ = 32830747560. Its totient is φ = 4040707344.

The previous prime is 12122122081. The next prime is 12122122157. The reversal of 12122122104 is 40122122121.

12122122104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 84181332 + ... + 84181475.

It is an arithmetic number, because the mean of its divisors is an integer number (1367947815).

Almost surely, 2^12122122104 is an apocalyptic number.

It is an amenable number.

12122122104 is an abundant number, since it is smaller than the sum of its proper divisors (20708625456).

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

12122122104 is a wasteful number, since it uses less digits than its factorization.

12122122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168362819 (or 168362812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122122104 its reverse (40122122121), we get a palindrome (52244244225).

The spelling of 12122122104 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred four".