122333223505 has 4 divisors (see below), whose sum is σ = 146799868212. Its totient is φ = 97866578800.

The previous prime is 122333223457. The next prime is 122333223581. The reversal of 122333223505 is 505322333221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16312653841 + 106020569664 = 127721^2 + 325608^2 .

It is not a de Polignac number, because 122333223505 - 2⁹ = 122333222993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12233322346 + ... + 12233322355.

It is an arithmetic number, because the mean of its divisors is an integer number (36699967053).

Almost surely, 2^122333223505 is an apocalyptic number.

It is an amenable number.

122333223505 is a deficient number, since it is larger than the sum of its proper divisors (24466644707).

122333223505 is an equidigital number, since it uses as much as digits as its factorization.

122333223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466644706.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 122333223505 its reverse (505322333221), we get a palindrome (627655556726).

The spelling of 122333223505 in words is "one hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-three thousand, five hundred five".