1323321001312 has 48 divisors (see below), whose sum is σ = 2615349259152. Its totient is φ = 659108136960.

The previous prime is 1323321001237. The next prime is 1323321001337. The reversal of 1323321001312 is 2131001233231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15291348 + ... + 15377644.

It is an arithmetic number, because the mean of its divisors is an integer number (54486442899).

Almost surely, 2^{1323321001312} is an apocalyptic number.

It is an amenable number.

1323321001312 is a deficient number, since it is larger than the sum of its proper divisors (1292028257840).

1323321001312 is a wasteful number, since it uses less digits than its factorization.

1323321001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88151 (or 88143 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323321001312 its reverse (2131001233231), we get a palindrome (3454322234543).

The spelling of 1323321001312 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, one thousand, three hundred twelve".