123302221222121 has 8 divisors (see below), whose sum is σ = 125614199371584. Its totient is φ = 121009919482800.

The previous prime is 123302221222069. The next prime is 123302221222129. The reversal of 123302221222121 is 121222122203321.

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 123302221222121 - 2⁴⁶ = 52933477044457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123302221222129) 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, 4919089886 + ... + 4919114951.

It is an arithmetic number, because the mean of its divisors is an integer number (15701774921448).

Almost surely, 2^{123302221222121} is an apocalyptic number.

It is an amenable number.

123302221222121 is a deficient number, since it is larger than the sum of its proper divisors (2311978149463).

123302221222121 is an equidigital number, since it uses as much as digits as its factorization.

123302221222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838205071.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123302221222121 its reverse (121222122203321), we get a palindrome (244524343425442).

The spelling of 123302221222121 in words is "one hundred twenty-three trillion, three hundred two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-one".