43212431012 has 48 divisors (see below), whose sum is σ = 80429191920. Its totient is φ = 20278272000.

The previous prime is 43212430999. The next prime is 43212431029. The reversal of 43212431012 is 21013421234.

43212431012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15441541696 + 27770889316 = 124264^2 + 166646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301012 + ... + 1333812.

It is an arithmetic number, because the mean of its divisors is an integer number (1675608165).

Almost surely, 2^43212431012 is an apocalyptic number.

It is an amenable number.

43212431012 is a deficient number, since it is larger than the sum of its proper divisors (37216760908).

43212431012 is a wasteful number, since it uses less digits than its factorization.

43212431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33152 (or 33150 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 43212431012 its reverse (21013421234), we get a palindrome (64225852246).

The spelling of 43212431012 in words is "forty-three billion, two hundred twelve million, four hundred thirty-one thousand, twelve".