12000021122122 has 96 divisors (see below), whose sum is σ = 20357184798720. Its totient is φ = 5298317824800.

The previous prime is 12000021122119. The next prime is 12000021122183. The reversal of 12000021122122 is 22122112000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000021122096 and 12000021122105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2146307547 + ... + 2146313137.

It is an arithmetic number, because the mean of its divisors is an integer number (212054008320).

Almost surely, 2^{12000021122122} is an apocalyptic number.

12000021122122 is a deficient number, since it is larger than the sum of its proper divisors (8357163676598).

12000021122122 is a wasteful number, since it uses less digits than its factorization.

12000021122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760 (or 6749 counting only the distinct ones).

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

Adding to 12000021122122 its reverse (22122112000021), we get a palindrome (34122133122143).

The spelling of 12000021122122 in words is "twelve trillion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".