12423220432122 has 8 divisors (see below), whose sum is σ = 24846440864256. Its totient is φ = 4141073477372.

The previous prime is 12423220432099. The next prime is 12423220432159. The reversal of 12423220432122 is 22123402232421.

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

12423220432122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12423220432122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035268369338 + ... + 1035268369349.

It is an arithmetic number, because the mean of its divisors is an integer number (3105805108032).

Almost surely, 2^{12423220432122} is an apocalyptic number.

12423220432122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423220432122 is a wasteful number, since it uses less digits than its factorization.

12423220432122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070536738692.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12423220432122 its reverse (22123402232421), we get a palindrome (34546622664543).

The spelling of 12423220432122 in words is "twelve trillion, four hundred twenty-three billion, two hundred twenty million, four hundred thirty-two thousand, one hundred twenty-two".