1321034204001 has 48 divisors (see below), whose sum is σ = 1910396908224. Its totient is φ = 811645771776.

The previous prime is 1321034203991. The next prime is 1321034204003. The reversal of 1321034204001 is 1004024301231.

It is not a de Polignac number, because 1321034204001 - 2⁵ = 1321034203969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1321034204003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8050365 + ... + 8212821.

It is an arithmetic number, because the mean of its divisors is an integer number (39799935588).

Almost surely, 2^{1321034204001} is an apocalyptic number.

It is an amenable number.

1321034204001 is a deficient number, since it is larger than the sum of its proper divisors (589362704223).

1321034204001 is a wasteful number, since it uses less digits than its factorization.

1321034204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162690 (or 162673 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1321034204001 its reverse (1004024301231), we get a palindrome (2325058505232).

The spelling of 1321034204001 in words is "one trillion, three hundred twenty-one billion, thirty-four million, two hundred four thousand, one".