12223122121122 has 32 divisors (see below), whose sum is σ = 26693765607744. Its totient is φ = 3700485355200.

The previous prime is 12223122121121. The next prime is 12223122121127. The reversal of 12223122121122 is 22112122132221.

12223122121122 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 = 12223122121092 and 12223122121101.

It is not an unprimeable number, because it can be changed into a prime (12223122121121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87205573 + ... + 87345624.

It is an arithmetic number, because the mean of its divisors is an integer number (834180175242).

Almost surely, 2^{12223122121122} is an apocalyptic number.

12223122121122 is an abundant number, since it is smaller than the sum of its proper divisors (14470643486622).

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

12223122121122 is a wasteful number, since it uses less digits than its factorization.

12223122121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174552274.

The product of its digits is 768, while the sum is 24.

Adding to 12223122121122 its reverse (22112122132221), we get a palindrome (34335244253343).

The spelling of 12223122121122 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".