2144312120 has 16 divisors (see below), whose sum is σ = 4824702360. Its totient is φ = 857724832.

The previous prime is 2144312111. The next prime is 2144312173. The reversal of 2144312120 is 212134412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2144312092 and 2144312101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26803862 + ... + 26803941.

Almost surely, 2^2144312120 is an apocalyptic number.

2144312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144312120 is an abundant number, since it is smaller than the sum of its proper divisors (2680390240).

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

2144312120 is a wasteful number, since it uses less digits than its factorization.

2144312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53607814 (or 53607810 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144312120 is about 46306.7178711685. The cubic root of 2144312120 is about 1289.5237149627.

Adding to 2144312120 its reverse (212134412), we get a palindrome (2356446532).

The spelling of 2144312120 in words is "two billion, one hundred forty-four million, three hundred twelve thousand, one hundred twenty".