243210000000 has 768 divisors, whose sum is σ = 900864881280. Its totient is φ = 58080000000.

The previous prime is 243209999999. The next prime is 243210000017. The reversal of 243210000000 is 12342.

243210000000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243210000000² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 3629999967 + ... + 3630000033.

Almost surely, 2^243210000000 is an apocalyptic number.

243210000000 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 243210000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450432440640).

243210000000 is an abundant number, since it is smaller than the sum of its proper divisors (657654881280).

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

243210000000 is an frugal number, since it uses more digits than its factorization.

243210000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 88 counting only the distinct ones).

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

Adding to 243210000000 its reverse (12342), we get a palindrome (243210012342).

The spelling of 243210000000 in words is "two hundred forty-three billion, two hundred ten million", and thus it is an aban number.