12000103122 has 128 divisors (see below), whose sum is σ = 29806092288. Its totient is φ = 3146457600.

The previous prime is 12000103117. The next prime is 12000103153. The reversal of 12000103122 is 22130100021.

It is a junction number, because it is equal to n+sod(n) for n = 12000103098 and 12000103107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2413483 + ... + 2418449.

It is an arithmetic number, because the mean of its divisors is an integer number (232860096).

Almost surely, 2^12000103122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000103122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14903046144).

12000103122 is an abundant number, since it is smaller than the sum of its proper divisors (17805989166).

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

12000103122 is a wasteful number, since it uses less digits than its factorization.

12000103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12000103122 its reverse (22130100021), we get a palindrome (34130203143).

The spelling of 12000103122 in words is "twelve billion, one hundred three thousand, one hundred twenty-two".