43221232130 has 8 divisors (see below), whose sum is σ = 77798217852. Its totient is φ = 17288492848.

The previous prime is 43221232127. The next prime is 43221232147. The reversal of 43221232130 is 3123212234.

It can be written as a sum of positive squares in 2 ways, for example, as 43207026769 + 14205361 = 207863^2 + 3769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43221232096 and 43221232105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161061597 + ... + 2161061616.

Almost surely, 2^43221232130 is an apocalyptic number.

43221232130 is a deficient number, since it is larger than the sum of its proper divisors (34576985722).

43221232130 is a wasteful number, since it uses less digits than its factorization.

43221232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322123220.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43221232130 its reverse (3123212234), we get a palindrome (46344444364).

The spelling of 43221232130 in words is "forty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty".