123121332033321 has 8 divisors (see below), whose sum is σ = 164300778399744. Its totient is φ = 82011386844560.

The previous prime is 123121332033313. The next prime is 123121332033347. The reversal of 123121332033321 is 123330233121321.

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 123121332033321 - 2³ = 123121332033313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123121332033391) 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, 17375290281 + ... + 17375297366.

It is an arithmetic number, because the mean of its divisors is an integer number (20537597299968).

Almost surely, 2^{123121332033321} is an apocalyptic number.

It is an amenable number.

123121332033321 is a deficient number, since it is larger than the sum of its proper divisors (41179446366423).

123121332033321 is a wasteful number, since it uses less digits than its factorization.

123121332033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34750588831.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 123121332033321 its reverse (123330233121321), we get a palindrome (246451565154642).

The spelling of 123121332033321 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, three hundred thirty-two million, thirty-three thousand, three hundred twenty-one".