12222201122122 has 8 divisors (see below), whose sum is σ = 18428292884196. Its totient is φ = 6079436827392.

The previous prime is 12222201122093. The next prime is 12222201122123. The reversal of 12222201122122 is 22122110222221.

It can be written as a sum of positive squares in 2 ways, for example, as 10672054109721 + 1550147012401 = 3266811^2 + 1245049^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12222201122093 and 12222201122102.

It is not an unprimeable number, because it can be changed into a prime (12222201122123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15831866353 + ... + 15831867124.

Almost surely, 2^{12222201122122} is an apocalyptic number.

12222201122122 is a deficient number, since it is larger than the sum of its proper divisors (6206091762074).

12222201122122 is a wasteful number, since it uses less digits than its factorization.

12222201122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31663733672.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12222201122122 its reverse (22122110222221), we get a palindrome (34344311344343).

The spelling of 12222201122122 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".