43240012 has 12 divisors (see below), whose sum is σ = 76582296. Its totient is φ = 21359360.

The previous prime is 43240003. The next prime is 43240037. The reversal of 43240012 is 21004234.

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, 64789 + ... + 65452.

It is an arithmetic number, because the mean of its divisors is an integer number (6381858).

Almost surely, 2^43240012 is an apocalyptic number.

It is an amenable number.

43240012 is a deficient number, since it is larger than the sum of its proper divisors (33342284).

43240012 is a wasteful number, since it uses less digits than its factorization.

43240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130328 (or 130326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43240012 is about 6575.7138015580. The cubic root of 43240012 is about 350.9904246001.

Adding to 43240012 its reverse (21004234), we get a palindrome (64244246).

The spelling of 43240012 in words is "forty-three million, two hundred forty thousand, twelve".