12120113122222 has 16 divisors (see below), whose sum is σ = 20983052989152. Its totient is φ = 5142905143200.

The previous prime is 12120113122181. The next prime is 12120113122253. The reversal of 12120113122222 is 22222131102121.

It is a super-2 number, since 2×12120113122222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12120113122193 and 12120113122202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285752873 + ... + 4285755700.

It is an arithmetic number, because the mean of its divisors is an integer number (1311440811822).

Almost surely, 2^{12120113122222} is an apocalyptic number.

12120113122222 is a deficient number, since it is larger than the sum of its proper divisors (8862939866930).

12120113122222 is a wasteful number, since it uses less digits than its factorization.

12120113122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571508683.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12120113122222 its reverse (22222131102121), we get a palindrome (34342244224343).

The spelling of 12120113122222 in words is "twelve trillion, one hundred twenty billion, one hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".