12102222122220 has 24 divisors (see below), whose sum is σ = 33886221942384. Its totient is φ = 3227259232576.

The previous prime is 12102222122173. The next prime is 12102222122233. The reversal of 12102222122220 is 2222122220121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100851850959 + ... + 100851851078.

It is an arithmetic number, because the mean of its divisors is an integer number (1411925914266).

Almost surely, 2^{12102222122220} is an apocalyptic number.

12102222122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102222122220 is an abundant number, since it is smaller than the sum of its proper divisors (21783999820164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102222122220 is a wasteful number, since it uses less digits than its factorization.

12102222122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201703702049 (or 201703702047 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12102222122220 its reverse (2222122220121), we get a palindrome (14324344342341).

The spelling of 12102222122220 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty".