43131424212 has 48 divisors (see below), whose sum is σ = 111967087680. Its totient is φ = 14358514464.

The previous prime is 43131424207. The next prime is 43131424213. The reversal of 43131424212 is 21242413134.

43131424212 is a `hidden beast` number, since 431 + 3 + 14 + 2 + 4 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131424213) 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 15 ways as a sum of consecutive naturals, for example, 174838 + ... + 341805.

It is an arithmetic number, because the mean of its divisors is an integer number (2332647660).

Almost surely, 2^43131424212 is an apocalyptic number.

It is an amenable number.

43131424212 is an abundant number, since it is smaller than the sum of its proper divisors (68835663468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43131424212 is a wasteful number, since it uses less digits than its factorization.

43131424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517429 (or 517421 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 43131424212 its reverse (21242413134), we get a palindrome (64373837346).

The spelling of 43131424212 in words is "forty-three billion, one hundred thirty-one million, four hundred twenty-four thousand, two hundred twelve".