43012002011 has 24 divisors (see below), whose sum is σ = 48133285200. Its totient is φ = 38398821120.

The previous prime is 43012001999. The next prime is 43012002079. The reversal of 43012002011 is 11020021034.

It is not a de Polignac number, because 43012002011 - 2⁶ = 43012001947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43012005011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2047640 + ... + 2068538.

It is an arithmetic number, because the mean of its divisors is an integer number (2005553550).

Almost surely, 2^43012002011 is an apocalyptic number.

43012002011 is a deficient number, since it is larger than the sum of its proper divisors (5121283189).

43012002011 is a wasteful number, since it uses less digits than its factorization.

43012002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227 (or 21216 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 43012002011 its reverse (11020021034), we get a palindrome (54032023045).

The spelling of 43012002011 in words is "forty-three billion, twelve million, two thousand, eleven".