1004412335221 has 4 divisors (see below), whose sum is σ = 1004504014732. Its totient is φ = 1004320655712.

The previous prime is 1004412335183. The next prime is 1004412335257. The reversal of 1004412335221 is 1225332144001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 884325828996 + 120086506225 = 940386^2 + 346535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004412335221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004412335221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004412335291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45823320 + ... + 45845233.

It is an arithmetic number, because the mean of its divisors is an integer number (251126003683).

Almost surely, 2^{1004412335221} is an apocalyptic number.

It is an amenable number.

1004412335221 is a deficient number, since it is larger than the sum of its proper divisors (91679511).

1004412335221 is an equidigital number, since it uses as much as digits as its factorization.

1004412335221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91679510.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1004412335221 its reverse (1225332144001), we get a palindrome (2229744479222).

The spelling of 1004412335221 in words is "one trillion, four billion, four hundred twelve million, three hundred thirty-five thousand, two hundred twenty-one".