122212123223 has 4 divisors (see below), whose sum is σ = 122219878368. Its totient is φ = 122204368080.

The previous prime is 122212123199. The next prime is 122212123301. The reversal of 122212123223 is 322321212221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122212123223 - 2¹⁶ = 122212057687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212123723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853886 + ... + 3885467.

It is an arithmetic number, because the mean of its divisors is an integer number (30554969592).

Almost surely, 2^122212123223 is an apocalyptic number.

122212123223 is a deficient number, since it is larger than the sum of its proper divisors (7755145).

122212123223 is an equidigital number, since it uses as much as digits as its factorization.

122212123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755144.

The product of its digits is 1152, while the sum is 23.

Adding to 122212123223 its reverse (322321212221), we get a palindrome (444533335444).

The spelling of 122212123223 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, two hundred twenty-three".