1312033452321 has 24 divisors (see below), whose sum is σ = 1800209396160. Its totient is φ = 849687467200.

The previous prime is 1312033452311. The next prime is 1312033452361. The reversal of 1312033452321 is 1232543302131.

It is not a de Polignac number, because 1312033452321 - 2²² = 1312029258017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312033452311) 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 23 ways as a sum of consecutive naturals, for example, 1217500 + ... + 2026418.

It is an arithmetic number, because the mean of its divisors is an integer number (75008724840).

Almost surely, 2^{1312033452321} is an apocalyptic number.

It is an amenable number.

1312033452321 is a deficient number, since it is larger than the sum of its proper divisors (488175943839).

1312033452321 is an equidigital number, since it uses as much as digits as its factorization.

1312033452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809177 (or 809076 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1312033452321 its reverse (1232543302131), we get a palindrome (2544576754452).

The spelling of 1312033452321 in words is "one trillion, three hundred twelve billion, thirty-three million, four hundred fifty-two thousand, three hundred twenty-one".