12223222312120 has 16 divisors (see below), whose sum is σ = 27502250202360. Its totient is φ = 4889288924832.

The previous prime is 12223222312069. The next prime is 12223222312139. The reversal of 12223222312120 is 2121322232221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152790278862 + ... + 152790278941.

Almost surely, 2^{12223222312120} is an apocalyptic number.

12223222312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223222312120 is an abundant number, since it is smaller than the sum of its proper divisors (15279027890240).

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

12223222312120 is a wasteful number, since it uses less digits than its factorization.

12223222312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305580557814 (or 305580557810 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12223222312120 its reverse (2121322232221), we get a palindrome (14344544544341).

The spelling of 12223222312120 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred twelve thousand, one hundred twenty".