1323012132321 has 16 divisors (see below), whose sum is σ = 1924423524288. Its totient is φ = 801807934400.

The previous prime is 1323012132307. The next prime is 1323012132371. The reversal of 1323012132321 is 1232312103231.

It is not a de Polignac number, because 1323012132321 - 2⁶ = 1323012132257 is a prime.

It is a super-2 number, since 2×1323012132321² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1323012132291 and 1323012132300.

It is not an unprimeable number, because it can be changed into a prime (1323012132371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174591 + ... + 2006411.

It is an arithmetic number, because the mean of its divisors is an integer number (120276470268).

Almost surely, 2^{1323012132321} is an apocalyptic number.

1323012132321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323012132321 is a deficient number, since it is larger than the sum of its proper divisors (601411391967).

1323012132321 is a wasteful number, since it uses less digits than its factorization.

1323012132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880032.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1323012132321 its reverse (1232312103231), we get a palindrome (2555324235552).

It can be divided in two parts, 132301 and 2132321, that added together give a palindrome (2264622).

The spelling of 1323012132321 in words is "one trillion, three hundred twenty-three billion, twelve million, one hundred thirty-two thousand, three hundred twenty-one".