43213224312 has 48 divisors (see below), whose sum is σ = 117055893240. Its totient is φ = 14401937088.

The previous prime is 43213224289. The next prime is 43213224317. The reversal of 43213224312 is 21342231234.

43213224312 is a `hidden beast` number, since 4 + 3 + 21 + 322 + 4 + 312 = 666.

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 (43213224317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398238 + ... + 494994.

Almost surely, 2^43213224312 is an apocalyptic number.

It is an amenable number.

43213224312 is an abundant number, since it is smaller than the sum of its proper divisors (73842668928).

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

43213224312 is a wasteful number, since it uses less digits than its factorization.

43213224312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102972 (or 102965 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 43213224312 its reverse (21342231234), we get a palindrome (64555455546).

The spelling of 43213224312 in words is "forty-three billion, two hundred thirteen million, two hundred twenty-four thousand, three hundred twelve".