2004121321044 has 12 divisors (see below), whose sum is σ = 4676283082464. Its totient is φ = 668040440344.

The previous prime is 2004121321039. The next prime is 2004121321067. The reversal of 2004121321044 is 4401231214002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2004121321044³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83505055032 + ... + 83505055055.

It is an arithmetic number, because the mean of its divisors is an integer number (389690256872).

Almost surely, 2^{2004121321044} is an apocalyptic number.

It is an amenable number.

2004121321044 is an abundant number, since it is smaller than the sum of its proper divisors (2672161761420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004121321044 is a wasteful number, since it uses less digits than its factorization.

2004121321044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167010110094 (or 167010110092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2004121321044 its reverse (4401231214002), we get a palindrome (6405352535046).

The spelling of 2004121321044 in words is "two trillion, four billion, one hundred twenty-one million, three hundred twenty-one thousand, forty-four".