1204441442221 has 8 divisors (see below), whose sum is σ = 1256825994624. Its totient is φ = 1152058350960.

The previous prime is 1204441442213. The next prime is 1204441442227. The reversal of 1204441442221 is 1222441444021.

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

It is not a de Polignac number, because 1204441442221 - 2³ = 1204441442213 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 (1204441442227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528051 + ... + 2178031.

It is an arithmetic number, because the mean of its divisors is an integer number (157103249328).

Almost surely, 2^{1204441442221} is an apocalyptic number.

It is an amenable number.

1204441442221 is a deficient number, since it is larger than the sum of its proper divisors (52384552403).

1204441442221 is an equidigital number, since it uses as much as digits as its factorization.

1204441442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730571.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 1204441442221 its reverse (1222441444021), we get a palindrome (2426882886242).

The spelling of 1204441442221 in words is "one trillion, two hundred four billion, four hundred forty-one million, four hundred forty-two thousand, two hundred twenty-one".