122120321223 has 4 divisors (see below), whose sum is σ = 162827094968. Its totient is φ = 81413547480.

The previous prime is 122120321221. The next prime is 122120321311. The reversal of 122120321223 is 322123021221.

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

It is not a de Polignac number, because 122120321223 - 2¹ = 122120321221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122120321223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120321221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20353386868 + ... + 20353386873.

It is an arithmetic number, because the mean of its divisors is an integer number (40706773742).

Almost surely, 2^122120321223 is an apocalyptic number.

122120321223 is a deficient number, since it is larger than the sum of its proper divisors (40706773745).

122120321223 is an equidigital number, since it uses as much as digits as its factorization.

122120321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40706773744.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122120321223 its reverse (322123021221), we get a palindrome (444243342444).

The spelling of 122120321223 in words is "one hundred twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, two hundred twenty-three".