122123211232321 has 8 divisors (see below), whose sum is σ = 131694312899520. Its totient is φ = 112577396493072.

The previous prime is 122123211232273. The next prime is 122123211232367. The reversal of 122123211232321 is 123232112321221.

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 122123211232321 - 2⁹ = 122123211231809 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 122123211232321.

It is not an unprimeable number, because it can be changed into a prime (122123211232621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321721951 + ... + 6321741268.

It is an arithmetic number, because the mean of its divisors is an integer number (16461789112440).

Almost surely, 2^{122123211232321} is an apocalyptic number.

It is an amenable number.

122123211232321 is a deficient number, since it is larger than the sum of its proper divisors (9571101667199).

122123211232321 is a wasteful number, since it uses less digits than its factorization.

122123211232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643463975.

The product of its digits is 3456, while the sum is 28.

Adding to 122123211232321 its reverse (123232112321221), we get a palindrome (245355323553542).

The spelling of 122123211232321 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, two hundred eleven million, two hundred thirty-two thousand, three hundred twenty-one".