12102221222222 has 8 divisors (see below), whose sum is σ = 18153368551200. Its totient is φ = 6051098371824.

The previous prime is 12102221222219. The next prime is 12102221222239. The reversal of 12102221222222 is 22222212220121.

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

It is a congruent number.

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, 4829222 + ... + 6893897.

It is an arithmetic number, because the mean of its divisors is an integer number (2269171068900).

Almost surely, 2^{12102221222222} is an apocalyptic number.

12102221222222 is a deficient number, since it is larger than the sum of its proper divisors (6051147328978).

12102221222222 is a wasteful number, since it uses less digits than its factorization.

12102221222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12239290.

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

Adding to 12102221222222 its reverse (22222212220121), we get a palindrome (34324433442343).

The spelling of 12102221222222 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".