1182216000 has 448 divisors, whose sum is σ = 4625547264. Its totient is φ = 260352000.

The previous prime is 1182215963. The next prime is 1182216019. The reversal of 1182216000 is 6122811.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5207887 + ... + 5208113.

Almost surely, 2^1182216000 is an apocalyptic number.

1182216000 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 1182216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2312773632).

1182216000 is an abundant number, since it is smaller than the sum of its proper divisors (3443331264).

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

1182216000 is a wasteful number, since it uses less digits than its factorization.

1182216000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1182216000 is about 34383.3680723689. The cubic root of 1182216000 is about 1057.3828875110.

Adding to 1182216000 its reverse (6122811), we get a palindrome (1188338811).

The spelling of 1182216000 in words is "one billion, one hundred eighty-two million, two hundred sixteen thousand".