543000012 has 96 divisors (see below), whose sum is σ = 1380986880. Its totient is φ = 165473280.

The previous prime is 543000011. The next prime is 543000103. The reversal of 543000012 is 210000345.

It is a junction number, because it is equal to n+sod(n) for n = 542999955 and 543000000.

It is not an unprimeable number, because it can be changed into a prime (543000011) 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, 1611108 + ... + 1611444.

It is an arithmetic number, because the mean of its divisors is an integer number (14385280).

Almost surely, 2^543000012 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 543000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690493440).

543000012 is an abundant number, since it is smaller than the sum of its proper divisors (837986868).

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

543000012 is a wasteful number, since it uses less digits than its factorization.

543000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 543000012 is about 23302.3606529467. The cubic root of 543000012 is about 815.8305167519.

Adding to 543000012 its reverse (210000345), we get a palindrome (753000357).

The spelling of 543000012 in words is "five hundred forty-three million, twelve", and thus it is an aban number.