43000032212 has 12 divisors (see below), whose sum is σ = 75261400116. Its totient is φ = 21496775040.

The previous prime is 43000032161. The next prime is 43000032217. The reversal of 43000032212 is 21223000034.

It can be written as a sum of positive squares in 2 ways, for example, as 20173657156 + 22826375056 = 142034^2 + 151084^2 .

It is a super-2 number, since 2×43000032212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43000032217) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 780293 + ... + 833580.

It is an arithmetic number, because the mean of its divisors is an integer number (6271783343).

Almost surely, 2^43000032212 is an apocalyptic number.

It is an amenable number.

43000032212 is a deficient number, since it is larger than the sum of its proper divisors (32261367904).

43000032212 is a wasteful number, since it uses less digits than its factorization.

43000032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620538 (or 1620536 counting only the distinct ones).

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

Adding to 43000032212 its reverse (21223000034), we get a palindrome (64223032246).

The spelling of 43000032212 in words is "forty-three billion, thirty-two thousand, two hundred twelve".