43100012 has 6 divisors (see below), whose sum is σ = 75425028. Its totient is φ = 21550004.

The previous prime is 43099997. The next prime is 43100021. The reversal of 43100012 is 21000134.

It is a happy number.

43100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43100012² = 3715222068800288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43099966 and 43100002.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5387498 + ... + 5387505.

It is an arithmetic number, because the mean of its divisors is an integer number (12570838).

Almost surely, 2^43100012 is an apocalyptic number.

It is an amenable number.

43100012 is a deficient number, since it is larger than the sum of its proper divisors (32325016).

43100012 is a wasteful number, since it uses less digits than its factorization.

43100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775007 (or 10775005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 43100012 is about 6565.0599387972. The cubic root of 43100012 is about 350.6112095665.

Adding to 43100012 its reverse (21000134), we get a palindrome (64100146).

The spelling of 43100012 in words is "forty-three million, one hundred thousand, twelve".