2220012120 has 64 divisors (see below), whose sum is σ = 6698596320. Its totient is φ = 588575744.

The previous prime is 2220012073. The next prime is 2220012149. The reversal of 2220012120 is 212100222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2220012096 and 2220012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32709 + ... + 74228.

Almost surely, 2^2220012120 is an apocalyptic number.

2220012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220012120 is an abundant number, since it is smaller than the sum of its proper divisors (4478584200).

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

2220012120 is a wasteful number, since it uses less digits than its factorization.

2220012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107124 (or 107120 counting only the distinct ones).

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

The square root of 2220012120 is about 47117.0045737205. The cubic root of 2220012120 is about 1304.5231240088.

Adding to 2220012120 its reverse (212100222), we get a palindrome (2432112342).

The spelling of 2220012120 in words is "two billion, two hundred twenty million, twelve thousand, one hundred twenty".