43012112312 has 16 divisors (see below), whose sum is σ = 86851380840. Its totient is φ = 19851744096.

The previous prime is 43012112309. The next prime is 43012112321. The reversal of 43012112312 is 21321121034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206788898 + ... + 206789105.

Almost surely, 2^43012112312 is an apocalyptic number.

It is an amenable number.

43012112312 is an abundant number, since it is smaller than the sum of its proper divisors (43839268528).

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

43012112312 is a wasteful number, since it uses less digits than its factorization.

43012112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413578022 (or 413578018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 43012112312 its reverse (21321121034), we get a palindrome (64333233346).

The spelling of 43012112312 in words is "forty-three billion, twelve million, one hundred twelve thousand, three hundred twelve".