2004121321043 has 32 divisors (see below), whose sum is σ = 2081411251200. Its totient is φ = 1928657203200.

The previous prime is 2004121321039. The next prime is 2004121321067. The reversal of 2004121321043 is 3401231214002.

It is a cyclic number.

It is not a de Polignac number, because 2004121321043 - 2² = 2004121321039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004121321073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566294168 + ... + 566297706.

It is an arithmetic number, because the mean of its divisors is an integer number (65044101600).

Almost surely, 2^{2004121321043} is an apocalyptic number.

2004121321043 is a deficient number, since it is larger than the sum of its proper divisors (77289930157).

2004121321043 is a wasteful number, since it uses less digits than its factorization.

2004121321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2004121321043 its reverse (3401231214002), we get a palindrome (5405352535045).

The spelling of 2004121321043 in words is "two trillion, four billion, one hundred twenty-one million, three hundred twenty-one thousand, forty-three".