720012000 has 192 divisors, whose sum is σ = 2441275200. Its totient is φ = 185292800.

The previous prime is 720011977. The next prime is 720012001. The reversal of 720012000 is 210027.

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 (720012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346966 + ... + 349034.

It is an arithmetic number, because the mean of its divisors is an integer number (12714975).

Almost surely, 2^720012000 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 720012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220637600).

720012000 is an abundant number, since it is smaller than the sum of its proper divisors (1721263200).

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

720012000 is a wasteful number, since it uses less digits than its factorization.

720012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 720012000 is about 26833.0393358635. The cubic root of 720012000 is about 896.2859286224.

Adding to 720012000 its reverse (210027), we get a palindrome (720222027).

The spelling of 720012000 in words is "seven hundred twenty million, twelve thousand".