122221212323 has 4 divisors (see below), whose sum is σ = 139681385520. Its totient is φ = 104761039128.

The previous prime is 122221212317. The next prime is 122221212331. The reversal of 122221212323 is 323212122221.

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 122221212323 - 2⁴ = 122221212307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221212023) 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, 8730086588 + ... + 8730086601.

It is an arithmetic number, because the mean of its divisors is an integer number (34920346380).

Almost surely, 2^122221212323 is an apocalyptic number.

122221212323 is a deficient number, since it is larger than the sum of its proper divisors (17460173197).

122221212323 is an equidigital number, since it uses as much as digits as its factorization.

122221212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460173196.

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

Adding to 122221212323 its reverse (323212122221), we get a palindrome (445433334544).

The spelling of 122221212323 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, three hundred twenty-three".