123302212221 has 8 divisors (see below), whose sum is σ = 164405264320. Its totient is φ = 82200317472.

The previous prime is 123302212193. The next prime is 123302212249. The reversal of 123302212221 is 122212203321.

It is an interprime number because it is at equal distance from previous prime (123302212193) and next prime (123302212249).

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

It is not a de Polignac number, because 123302212221 - 2¹¹ = 123302210173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123302217221) 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, 825 + ... + 496593.

It is an arithmetic number, because the mean of its divisors is an integer number (20550658040).

Almost surely, 2^123302212221 is an apocalyptic number.

It is an amenable number.

123302212221 is a deficient number, since it is larger than the sum of its proper divisors (41103052099).

123302212221 is an equidigital number, since it uses as much as digits as its factorization.

123302212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578675.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123302212221 its reverse (122212203321), we get a palindrome (245514415542).

The spelling of 123302212221 in words is "one hundred twenty-three billion, three hundred two million, two hundred twelve thousand, two hundred twenty-one".