12122222104044 has 108 divisors (see below), whose sum is σ = 33256287464400. Its totient is φ = 3721417285248.

The previous prime is 12122222104019. The next prime is 12122222104049. The reversal of 12122222104044 is 44040122222121.

12122222104044 is a `hidden beast` number, since 1 + 2 + 1 + 22 + 22 + 210 + 404 + 4 = 666.

It is a super-2 number, since 2×12122222104044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122222103999 and 12122222104017.

It is not an unprimeable number, because it can be changed into a prime (12122222104049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 401542 + ... + 4940210.

Almost surely, 2^{12122222104044} 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 12122222104044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16628143732200).

12122222104044 is an abundant number, since it is smaller than the sum of its proper divisors (21134065360356).

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

12122222104044 is a wasteful number, since it uses less digits than its factorization.

12122222104044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539144 (or 4539126 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 12122222104044 its reverse (44040122222121), we get a palindrome (56162344326165).

The spelling of 12122222104044 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred four thousand, forty-four".