12022120 has 64 divisors (see below), whose sum is σ = 29937600. Its totient is φ = 4308480.

The previous prime is 12022103. The next prime is 12022133. The reversal of 12022120 is 2122021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12022097 and 12022106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39007 + ... + 39313.

It is an arithmetic number, because the mean of its divisors is an integer number (467775).

Almost surely, 2^12022120 is an apocalyptic number.

12022120 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 12022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14968800).

12022120 is an abundant number, since it is smaller than the sum of its proper divisors (17915480).

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

12022120 is a wasteful number, since it uses less digits than its factorization.

12022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12022120 is about 3467.2928921566. The cubic root of 12022120 is about 229.0834348249.

Adding to 12022120 its reverse (2122021), we get a palindrome (14144141).

Subtracting from 12022120 its reverse (2122021), we obtain a palindrome (9900099).

The spelling of 12022120 in words is "twelve million, twenty-two thousand, one hundred twenty".