1200360000 has 280 divisors, whose sum is σ = 4538797120. Its totient is φ = 274176000.

The previous prime is 1200359983. The next prime is 1200360001. The reversal of 1200360000 is 630021.

It is a tau number, because it is divible by the number of its divisors (280).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200360001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 839286 + ... + 840714.

Almost surely, 2^1200360000 is an apocalyptic number.

1200360000 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 1200360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269398560).

1200360000 is an abundant number, since it is smaller than the sum of its proper divisors (3338437120).

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

1200360000 is an equidigital number, since it uses as much as digits as its factorization.

1200360000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200360000 is about 34646.2119141473. The cubic root of 1200360000 is about 1062.7648244147.

Adding to 1200360000 its reverse (630021), we get a palindrome (1200990021).

The spelling of 1200360000 in words is "one billion, two hundred million, three hundred sixty thousand".