2112144430 has 32 divisors (see below), whose sum is σ = 4391457120. Its totient is φ = 722872320.

The previous prime is 2112144403. The next prime is 2112144439. The reversal of 2112144430 is 344412112.

It is a happy number.

It is a super-2 number, since 2×2112144430² = 8922308186360049800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112144439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562875 + ... + 566614.

It is an arithmetic number, because the mean of its divisors is an integer number (137233035).

Almost surely, 2^2112144430 is an apocalyptic number.

2112144430 is an abundant number, since it is smaller than the sum of its proper divisors (2279312690).

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

2112144430 is a wasteful number, since it uses less digits than its factorization.

2112144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129524.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2112144430 is about 45958.0725226809. The cubic root of 2112144430 is about 1283.0429778079.

Adding to 2112144430 its reverse (344412112), we get a palindrome (2456556542).

The spelling of 2112144430 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, four hundred thirty".