1330111200 has 144 divisors (see below), whose sum is σ = 4723197696. Its totient is φ = 322444800.

The previous prime is 1330111199. The next prime is 1330111213. The reversal of 1330111200 is 21110331.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1209 + ... + 51591.

It is an arithmetic number, because the mean of its divisors is an integer number (32799984).

Almost surely, 2^1330111200 is an apocalyptic number.

1330111200 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 1330111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2361598848).

1330111200 is an abundant number, since it is smaller than the sum of its proper divisors (3393086496).

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

1330111200 is a wasteful number, since it uses less digits than its factorization.

1330111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50417 (or 50404 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1330111200 is about 36470.6896013772. The cubic root of 1330111200 is about 1099.7550969942.

Adding to 1330111200 its reverse (21110331), we get a palindrome (1351221531).

The spelling of 1330111200 in words is "one billion, three hundred thirty million, one hundred eleven thousand, two hundred".