12000022112122 has 32 divisors (see below), whose sum is σ = 19678542516864. Its totient is φ = 5442857952000.

The previous prime is 12000022112087. The next prime is 12000022112137. The reversal of 12000022112122 is 22121122000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000022112096 and 12000022112105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27376878 + ... + 27811750.

It is an arithmetic number, because the mean of its divisors is an integer number (614954453652).

Almost surely, 2^{12000022112122} is an apocalyptic number.

12000022112122 is a deficient number, since it is larger than the sum of its proper divisors (7678520404742).

12000022112122 is a wasteful number, since it uses less digits than its factorization.

12000022112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437574.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000022112122 its reverse (22121122000021), we get a palindrome (34121144112143).

The spelling of 12000022112122 in words is "twelve trillion, twenty-two million, one hundred twelve thousand, one hundred twenty-two".