12122221000120 has 64 divisors (see below), whose sum is σ = 34005191385600. Its totient is φ = 3778354596480.

The previous prime is 12122221000037. The next prime is 12122221000177. The reversal of 12122221000120 is 2100012222121.

It is a happy number.

12122221000120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12122221000094 and 12122221000103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967889940 + ... + 1967896099.

It is an arithmetic number, because the mean of its divisors is an integer number (531331115400).

Almost surely, 2^{12122221000120} is an apocalyptic number.

12122221000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122221000120 is an abundant number, since it is smaller than the sum of its proper divisors (21882970385480).

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

12122221000120 is a wasteful number, since it uses less digits than its factorization.

12122221000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935786068 (or 3935786064 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122221000120 its reverse (2100012222121), we get a palindrome (14222233222241).

The spelling of 12122221000120 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty", and thus it is an aban number.