1100320123232 has 96 divisors (see below), whose sum is σ = 2374389158400. Its totient is φ = 497777190400.

The previous prime is 1100320123223. The next prime is 1100320123289. The reversal of 1100320123232 is 2323210230011.

It is a super-2 number, since 2×1100320123232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291165119 + ... + 291168897.

It is an arithmetic number, because the mean of its divisors is an integer number (24733220400).

Almost surely, 2^{1100320123232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100320123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187194579200).

1100320123232 is an abundant number, since it is smaller than the sum of its proper divisors (1274069035168).

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

1100320123232 is a wasteful number, since it uses less digits than its factorization.

1100320123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1100320123232 its reverse (2323210230011), we get a palindrome (3423530353243).

The spelling of 1100320123232 in words is "one trillion, one hundred billion, three hundred twenty million, one hundred twenty-three thousand, two hundred thirty-two".