12211211012222 has 8 divisors (see below), whose sum is σ = 18317241996816. Its totient is φ = 6105463679952.

The previous prime is 12211211012201. The next prime is 12211211012233. The reversal of 12211211012222 is 22221011211221.

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

It is a super-2 number, since 2×12211211012222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211211012194 and 12211211012203.

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, 70805423 + ... + 70977674.

It is an arithmetic number, because the mean of its divisors is an integer number (2289655249602).

Almost surely, 2^{12211211012222} is an apocalyptic number.

12211211012222 is a deficient number, since it is larger than the sum of its proper divisors (6106030984594).

12211211012222 is a wasteful number, since it uses less digits than its factorization.

12211211012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141826162.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211211012222 its reverse (22221011211221), we get a palindrome (34432222223443).

The spelling of 12211211012222 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, twelve thousand, two hundred twenty-two".