4543220012 has 12 divisors (see below), whose sum is σ = 8418319560. Its totient is φ = 2137985856.

The previous prime is 4543220009. The next prime is 4543220021. The reversal of 4543220012 is 2100223454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4543220012.

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, 33405962 + ... + 33406097.

It is an arithmetic number, because the mean of its divisors is an integer number (701526630).

Almost surely, 2^4543220012 is an apocalyptic number.

It is an amenable number.

4543220012 is a deficient number, since it is larger than the sum of its proper divisors (3875099548).

4543220012 is a wasteful number, since it uses less digits than its factorization.

4543220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66812080 (or 66812078 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4543220012 is about 67403.4124655421. The cubic root of 4543220012 is about 1656.2323235669.

Adding to 4543220012 its reverse (2100223454), we get a palindrome (6643443466).

The spelling of 4543220012 in words is "four billion, five hundred forty-three million, two hundred twenty thousand, twelve".