12204444440221 has 16 divisors (see below), whose sum is σ = 13661656593408. Its totient is φ = 10807422721200.

The previous prime is 12204444440203. The next prime is 12204444440249.

12204444440221 is nontrivially palindromic in base 10.

12204444440221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12204444440221 - 2⁷ = 12204444440093 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 (12204444443221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55829955 + ... + 56048128.

It is an arithmetic number, because the mean of its divisors is an integer number (853853537088).

Almost surely, 2^{12204444440221} is an apocalyptic number.

12204444440221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12204444440221 is a deficient number, since it is larger than the sum of its proper divisors (1457212153187).

12204444440221 is a wasteful number, since it uses less digits than its factorization.

12204444440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111878352.

The product of its (nonzero) digits is 65536, while the sum is 34.

It can be divided in two parts, 1220444 and 4440221, that added together give a palindrome (5660665).

The spelling of 12204444440221 in words is "twelve trillion, two hundred four billion, four hundred forty-four million, four hundred forty thousand, two hundred twenty-one".