12122211221122 has 8 divisors (see below), whose sum is σ = 18183338191872. Its totient is φ = 6061098490500.

The previous prime is 12122211221093. The next prime is 12122211221171. The reversal of 12122211221122 is 22112211222121.

12122211221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12122211221122² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12122211221093 and 12122211221102.

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, 1088754 + ... + 5042797.

It is an arithmetic number, because the mean of its divisors is an integer number (2272917273984).

Almost surely, 2^{12122211221122} is an apocalyptic number.

12122211221122 is a deficient number, since it is larger than the sum of its proper divisors (6061126970750).

12122211221122 is an equidigital number, since it uses as much as digits as its factorization.

12122211221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120064.

The product of its digits is 256, while the sum is 22.

Adding to 12122211221122 its reverse (22112211222121), we get a palindrome (34234422443243).

Subtracting 12122211221122 from its reverse (22112211222121), we obtain a palindrome (9990000000999).

The spelling of 12122211221122 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".