12043000221 has 16 divisors (see below), whose sum is σ = 18352771200. Its totient is φ = 6881139648.

The previous prime is 12043000219. The next prime is 12043000267. The reversal of 12043000221 is 12200034021.

It is not a de Polignac number, because 12043000221 - 2¹ = 12043000219 is a prime.

It is a super-3 number, since 3×12043000221³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12043000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043000271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484935 + ... + 509163.

It is an arithmetic number, because the mean of its divisors is an integer number (1147048200).

Almost surely, 2^12043000221 is an apocalyptic number.

It is an amenable number.

12043000221 is a deficient number, since it is larger than the sum of its proper divisors (6309770979).

12043000221 is a wasteful number, since it uses less digits than its factorization.

12043000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47908.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12043000221 its reverse (12200034021), we get a palindrome (24243034242).

The spelling of 12043000221 in words is "twelve billion, forty-three million, two hundred twenty-one", and thus it is an aban number.