1323003201132 has 144 divisors (see below), whose sum is σ = 3300738940800. Its totient is φ = 412324874496.

The previous prime is 1323003201089. The next prime is 1323003201187. The reversal of 1323003201132 is 2311023003231.

It is a junction number, because it is equal to n+sod(n) for n = 1323003201099 and 1323003201108.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 630300619 + ... + 630302717.

It is an arithmetic number, because the mean of its divisors is an integer number (22921798200).

Almost surely, 2^{1323003201132} is an apocalyptic number.

1323003201132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323003201132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650369470400).

1323003201132 is an abundant number, since it is smaller than the sum of its proper divisors (1977735739668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323003201132 is a wasteful number, since it uses less digits than its factorization.

1323003201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1323003201132 its reverse (2311023003231), we get a palindrome (3634026204363).

The spelling of 1323003201132 in words is "one trillion, three hundred twenty-three billion, three million, two hundred one thousand, one hundred thirty-two".