43212338452 has 12 divisors (see below), whose sum is σ = 78909487776. Its totient is φ = 20666770520.

The previous prime is 43212338413. The next prime is 43212338453. The reversal of 43212338452 is 25483321234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212338453) by changing a digit.

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, 234849574 + ... + 234849757.

It is an arithmetic number, because the mean of its divisors is an integer number (6575790648).

Almost surely, 2^43212338452 is an apocalyptic number.

It is an amenable number.

43212338452 is a deficient number, since it is larger than the sum of its proper divisors (35697149324).

43212338452 is a wasteful number, since it uses less digits than its factorization.

43212338452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469699358 (or 469699356 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

Adding to 43212338452 its reverse (25483321234), we get a palindrome (68695659686).

The spelling of 43212338452 in words is "forty-three billion, two hundred twelve million, three hundred thirty-eight thousand, four hundred fifty-two".