43340012 has 12 divisors (see below), whose sum is σ = 77088816. Its totient is φ = 21314640.

The previous prime is 43339999. The next prime is 43340023. The reversal of 43340012 is 21004334.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88568 + ... + 89055.

It is an arithmetic number, because the mean of its divisors is an integer number (6424068).

Almost surely, 2^43340012 is an apocalyptic number.

It is an amenable number.

43340012 is a deficient number, since it is larger than the sum of its proper divisors (33748804).

43340012 is a wasteful number, since it uses less digits than its factorization.

43340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177688 (or 177686 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43340012 is about 6583.3131476484. The cubic root of 43340012 is about 351.2607916206.

Adding to 43340012 its reverse (21004334), we get a palindrome (64344346).

The spelling of 43340012 in words is "forty-three million, three hundred forty thousand, twelve".