12122022 has 48 divisors (see below), whose sum is σ = 27195840. Its totient is φ = 3598320.

The previous prime is 12122021. The next prime is 12122039. The reversal of 12122022 is 22022121.

It is a junction number, because it is equal to n+sod(n) for n = 12121989 and 12122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42693 + ... + 42975.

It is an arithmetic number, because the mean of its divisors is an integer number (566580).

Almost surely, 2^12122022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13597920).

12122022 is an abundant number, since it is smaller than the sum of its proper divisors (15073818).

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

12122022 is a wasteful number, since it uses less digits than its factorization.

12122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12122022 is about 3481.6694271570. The cubic root of 12122022 is about 229.7162347964.

Adding to 12122022 its reverse (22022121), we get a palindrome (34144143).

Subtracting 12122022 from its reverse (22022121), we obtain a palindrome (9900099).

It can be divided in two parts, 121 and 22022, that multiplied together give a palindrome (2664662).

The spelling of 12122022 in words is "twelve million, one hundred twenty-two thousand, twenty-two".