123222001321 has 8 divisors (see below), whose sum is σ = 123390756864. Its totient is φ = 123053330400.

The previous prime is 123222001307. The next prime is 123222001387. The reversal of 123222001321 is 123100222321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123222001321 - 2²³ = 123213612713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222001121) 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 7 ways as a sum of consecutive naturals, for example, 3227896 + ... + 3265846.

It is an arithmetic number, because the mean of its divisors is an integer number (15423844608).

Almost surely, 2^123222001321 is an apocalyptic number.

It is an amenable number.

123222001321 is a deficient number, since it is larger than the sum of its proper divisors (168755543).

123222001321 is an equidigital number, since it uses as much as digits as its factorization.

123222001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42311.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123222001321 its reverse (123100222321), we get a palindrome (246322223642).

The spelling of 123222001321 in words is "one hundred twenty-three billion, two hundred twenty-two million, one thousand, three hundred twenty-one".