12222122102222 has 4 divisors (see below), whose sum is σ = 18333183153336. Its totient is φ = 6111061051110.

The previous prime is 12222122102161. The next prime is 12222122102227. The reversal of 12222122102222 is 22220122122221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222122102227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055530525554 + ... + 3055530525557.

It is an arithmetic number, because the mean of its divisors is an integer number (4583295788334).

Almost surely, 2^{12222122102222} is an apocalyptic number.

12222122102222 is a deficient number, since it is larger than the sum of its proper divisors (6111061051114).

12222122102222 is an equidigital number, since it uses as much as digits as its factorization.

12222122102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111061051113.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12222122102222 its reverse (22220122122221), we get a palindrome (34442244224443).

The spelling of 12222122102222 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-two".