43210232120 has 128 divisors (see below), whose sum is σ = 112786914240. Its totient is φ = 14724464640.

The previous prime is 43210232113. The next prime is 43210232123. The reversal of 43210232120 is 2123201234.

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 = 43210232092 and 43210232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43210232123) 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 31 ways as a sum of consecutive naturals, for example, 1730444 + ... + 1755236.

Almost surely, 2^43210232120 is an apocalyptic number.

43210232120 is a gapful number since it is divisible by the number (40) 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 43210232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56393457120).

43210232120 is an abundant number, since it is smaller than the sum of its proper divisors (69576682120).

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

43210232120 is a wasteful number, since it uses less digits than its factorization.

43210232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25065 (or 25061 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43210232120 its reverse (2123201234), we get a palindrome (45333433354).

The spelling of 43210232120 in words is "forty-three billion, two hundred ten million, two hundred thirty-two thousand, one hundred twenty".