2212012120 has 128 divisors (see below), whose sum is σ = 5689699200. Its totient is φ = 768925696.

The previous prime is 2212012111. The next prime is 2212012123. The reversal of 2212012120 is 212102122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451122 + ... + 455998.

It is an arithmetic number, because the mean of its divisors is an integer number (44450775).

Almost surely, 2^2212012120 is an apocalyptic number.

2212012120 is a gapful number since it is divisible by the number (20) 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 2212012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844849600).

2212012120 is an abundant number, since it is smaller than the sum of its proper divisors (3477687080).

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

2212012120 is a wasteful number, since it uses less digits than its factorization.

2212012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2212012120 is about 47032.0329137493. The cubic root of 2212012120 is about 1302.9542517874.

Adding to 2212012120 its reverse (212102122), we get a palindrome (2424114242).

The spelling of 2212012120 in words is "two billion, two hundred twelve million, twelve thousand, one hundred twenty".