12213220211122 has 16 divisors (see below), whose sum is σ = 20937472027200. Its totient is φ = 5234106459888.

The previous prime is 12213220211119. The next prime is 12213220211147. The reversal of 12213220211122 is 22111202231221.

It is a junction number, because it is equal to n+sod(n) for n = 12213220211093 and 12213220211102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10316353 + ... + 11439124.

It is an arithmetic number, because the mean of its divisors is an integer number (1308592001700).

Almost surely, 2^{12213220211122} is an apocalyptic number.

12213220211122 is a deficient number, since it is larger than the sum of its proper divisors (8724251816078).

12213220211122 is a wasteful number, since it uses less digits than its factorization.

12213220211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21795585.

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

Adding to 12213220211122 its reverse (22111202231221), we get a palindrome (34324422442343).

The spelling of 12213220211122 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".