122200121223 has 12 divisors (see below), whose sum is σ = 181281862008. Its totient is φ = 79264943280.

The previous prime is 122200121189. The next prime is 122200121231. The reversal of 122200121223 is 322121002221.

122200121223 is a `hidden beast` number, since 122 + 200 + 121 + 223 = 666.

It is not a de Polignac number, because 122200121223 - 2⁶ = 122200121159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122200121196 and 122200121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200121723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183483333 + ... + 183483998.

It is an arithmetic number, because the mean of its divisors is an integer number (15106821834).

Almost surely, 2^122200121223 is an apocalyptic number.

122200121223 is a deficient number, since it is larger than the sum of its proper divisors (59081740785).

122200121223 is a wasteful number, since it uses less digits than its factorization.

122200121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366967374 (or 366967371 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122200121223 its reverse (322121002221), we get a palindrome (444321123444).

The spelling of 122200121223 in words is "one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred twenty-three".