12042203221 has 8 divisors (see below), whose sum is σ = 12077406720. Its totient is φ = 12007042608.

The previous prime is 12042203213. The next prime is 12042203227. The reversal of 12042203221 is 12230224021.

12042203221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12042203221 - 2³ = 12042203213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042203227) 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 7 ways as a sum of consecutive naturals, for example, 601840 + ... + 621526.

It is an arithmetic number, because the mean of its divisors is an integer number (1509675840).

Almost surely, 2^12042203221 is an apocalyptic number.

It is an amenable number.

12042203221 is a deficient number, since it is larger than the sum of its proper divisors (35203499).

12042203221 is a wasteful number, since it uses less digits than its factorization.

12042203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12042203221 its reverse (12230224021), we get a palindrome (24272427242).

The spelling of 12042203221 in words is "twelve billion, forty-two million, two hundred three thousand, two hundred twenty-one".