12000012222122 has 8 divisors (see below), whose sum is σ = 18947387719200. Its totient is φ = 5684216315724.

The previous prime is 12000012222097. The next prime is 12000012222137. The reversal of 12000012222122 is 22122221000021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12000012222122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157894897622 + ... + 157894897697.

It is an arithmetic number, because the mean of its divisors is an integer number (2368423464900).

Almost surely, 2^{12000012222122} is an apocalyptic number.

12000012222122 is a deficient number, since it is larger than the sum of its proper divisors (6947375497078).

12000012222122 is a wasteful number, since it uses less digits than its factorization.

12000012222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315789795340.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12000012222122 its reverse (22122221000021), we get a palindrome (34122233222143).

The spelling of 12000012222122 in words is "twelve trillion, twelve million, two hundred twenty-two thousand, one hundred twenty-two".