12202212120 has 128 divisors (see below), whose sum is σ = 42024407040. Its totient is φ = 2776527360.

The previous prime is 12202212073. The next prime is 12202212133. The reversal of 12202212120 is 2121220221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12202212120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154750 + ... + 219890.

It is an arithmetic number, because the mean of its divisors is an integer number (328315680).

Almost surely, 2^12202212120 is an apocalyptic number.

12202212120 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 12202212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012203520).

12202212120 is an abundant number, since it is smaller than the sum of its proper divisors (29822194920).

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

12202212120 is a wasteful number, since it uses less digits than its factorization.

12202212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65385 (or 65381 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12202212120 its reverse (2121220221), we get a palindrome (14323432341).

The spelling of 12202212120 in words is "twelve billion, two hundred two million, two hundred twelve thousand, one hundred twenty".