1323032042120 has 64 divisors (see below), whose sum is σ = 3059084130480. Its totient is φ = 514605367296.

The previous prime is 1323032042117. The next prime is 1323032042179. The reversal of 1323032042120 is 212402303231.

It can be written as a sum of positive squares in 8 ways, for example, as 1322872626244 + 159415876 = 1150162^2 + 12626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2248172 + ... + 2774948.

Almost surely, 2^{1323032042120} is an apocalyptic number.

1323032042120 is a gapful number since it is divisible by the number (10) 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 1323032042120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529542065240).

1323032042120 is an abundant number, since it is smaller than the sum of its proper divisors (1736052088360).

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

1323032042120 is a wasteful number, since it uses less digits than its factorization.

1323032042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528522 (or 528518 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1323032042120 its reverse (212402303231), we get a palindrome (1535434345351).

The spelling of 1323032042120 in words is "one trillion, three hundred twenty-three billion, thirty-two million, forty-two thousand, one hundred twenty".