43212016 has 20 divisors (see below), whose sum is σ = 86425024. Its totient is φ = 20908800.

The previous prime is 43211999. The next prime is 43212049. The reversal of 43212016 is 61021234.

43212016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

43212016 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 43211984 and 43212002.

It is a congruent number.

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, 43065 + ... + 44056.

Almost surely, 2^43212016 is an apocalyptic number.

43212016 is the 4158-th centered pentagonal number.

It is an amenable number.

43212016 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43212016 is a wasteful number, since it uses less digits than its factorization.

43212016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87160 (or 87154 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 43212016 is about 6573.5847145983. The cubic root of 43212016 is about 350.9146579745.

The spelling of 43212016 in words is "forty-three million, two hundred twelve thousand, sixteen".