43451012 has 12 divisors (see below), whose sum is σ = 82952016. Its totient is φ = 19750440.

The previous prime is 43451011. The next prime is 43451029. The reversal of 43451012 is 21015434.

It is not an unprimeable number, because it can be changed into a prime (43451011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493718 + ... + 493805.

It is an arithmetic number, because the mean of its divisors is an integer number (6912668).

Almost surely, 2^43451012 is an apocalyptic number.

It is an amenable number.

43451012 is a deficient number, since it is larger than the sum of its proper divisors (39501004).

43451012 is a wasteful number, since it uses less digits than its factorization.

43451012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987538 (or 987536 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 43451012 is about 6591.7381622756. The cubic root of 43451012 is about 351.5604124334.

Adding to 43451012 its reverse (21015434), we get a palindrome (64466446).

The spelling of 43451012 in words is "forty-three million, four hundred fifty-one thousand, twelve".