12122022220120 has 96 divisors (see below), whose sum is σ = 28895065420320. Its totient is φ = 4576140794880.

The previous prime is 12122022220111. The next prime is 12122022220171. The reversal of 12122022220120 is 2102222022121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201760 + ... + 5393680.

It is an arithmetic number, because the mean of its divisors is an integer number (300990264795).

Almost surely, 2^{12122022220120} is an apocalyptic number.

12122022220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122022220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14447532710160).

12122022220120 is an abundant number, since it is smaller than the sum of its proper divisors (16773043200200).

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

12122022220120 is a wasteful number, since it uses less digits than its factorization.

12122022220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192233 (or 3192210 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12122022220120 its reverse (2102222022121), we get a palindrome (14224244242241).

The spelling of 12122022220120 in words is "twelve trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred twenty".