12222212212122 has 24 divisors (see below), whose sum is σ = 26868664864608. Its totient is φ = 3703700670120.

The previous prime is 12222212212081. The next prime is 12222212212153. The reversal of 12222212212122 is 22121221222221.

It is a happy number.

12222212212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12222212212092 and 12222212212101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8417500798 + ... + 8417502249.

It is an arithmetic number, because the mean of its divisors is an integer number (1119527702692).

Almost surely, 2^{12222212212122} is an apocalyptic number.

12222212212122 is an abundant number, since it is smaller than the sum of its proper divisors (14646452652486).

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

12222212212122 is a wasteful number, since it uses less digits than its factorization.

12222212212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835003074 (or 16835003063 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

Adding to 12222212212122 its reverse (22121221222221), we get a palindrome (34343433434343).

It can be divided in two parts, 1222221 and 2212122, that added together give a palindrome (3434343).

The spelling of 12222212212122 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-two".