1320110123200 has 84 divisors (see below), whose sum is σ = 3543595652952. Its totient is φ = 480040038400.

The previous prime is 1320110123191. The next prime is 1320110123201. The reversal of 1320110123200 is 23210110231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1320110123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37485529 + ... + 37520728.

Almost surely, 2^{1320110123200} is an apocalyptic number.

1320110123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320110123200 is an abundant number, since it is smaller than the sum of its proper divisors (2223485529752).

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

1320110123200 is a wasteful number, since it uses less digits than its factorization.

1320110123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75006290 (or 75006275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1320110123200 its reverse (23210110231), we get a palindrome (1343320233431).

The spelling of 1320110123200 in words is "one trillion, three hundred twenty billion, one hundred ten million, one hundred twenty-three thousand, two hundred".