243012000 has 384 divisors, whose sum is σ = 996323328. Its totient is φ = 50304000.

The previous prime is 243011999. The next prime is 243012013. The reversal of 243012000 is 210342.

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

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, 923869 + ... + 924131.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^243012000 is an apocalyptic number.

243012000 is a gapful number since it is divisible by the number (20) 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 243012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498161664).

243012000 is an abundant number, since it is smaller than the sum of its proper divisors (753311328).

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

243012000 is a wasteful number, since it uses less digits than its factorization.

243012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 243012000 is about 15588.8421635476. The cubic root of 243012000 is about 624.0354187654.

Adding to 243012000 its reverse (210342), we get a palindrome (243222342).

It can be divided in two parts, 2430 and 12000, that multiplied together give a square (29160000 = 5400²).

The spelling of 243012000 in words is "two hundred forty-three million, twelve thousand".