43212344412 has 12 divisors (see below), whose sum is σ = 100828803656. Its totient is φ = 14404114800.

The previous prime is 43212344407. The next prime is 43212344419. The reversal of 43212344412 is 21444321234.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a self number, because there is not a number n which added to its sum of digits gives 43212344412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212344419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800514339 + ... + 1800514362.

Almost surely, 2^43212344412 is an apocalyptic number.

It is an amenable number.

43212344412 is an abundant number, since it is smaller than the sum of its proper divisors (57616459244).

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

43212344412 is a wasteful number, since it uses less digits than its factorization.

43212344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601028708 (or 3601028706 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 43212344412 its reverse (21444321234), we get a palindrome (64656665646).

The spelling of 43212344412 in words is "forty-three billion, two hundred twelve million, three hundred forty-four thousand, four hundred twelve".