43012 has 6 divisors (see below), whose sum is σ = 75278. Its totient is φ = 21504.

The previous prime is 43003. The next prime is 43013. The reversal of 43012 is 21034.

It can be written as a sum of positive squares in only one way, i.e., 42436 + 576 = 206^2 + 24^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 43012.

It is not an unprimeable number, because it can be changed into a prime (43013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5373 + ... + 5380.

2⁴³⁰¹² is an apocalyptic number.

It is an amenable number.

43012 is a deficient number, since it is larger than the sum of its proper divisors (32266).

43012 is a wasteful number, since it uses less digits than its factorization.

43012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757 (or 10755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 43012 is about 207.3933460842. The cubic root of 43012 is about 35.0372392757.

Adding to 43012 its reverse (21034), we get a palindrome (64046).

The spelling of 43012 in words is "forty-three thousand, twelve", and thus it is an iban number.