43212007332 has 120 divisors (see below), whose sum is σ = 122328598392. Its totient is φ = 13222310400.

The previous prime is 43212007331. The next prime is 43212007337. The reversal of 43212007332 is 23370021234.

43212007332 is a `hidden beast` number, since 4 + 321 + 2 + 0 + 0 + 7 + 332 = 666.

43212007332 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 4 ways, for example, as 868245156 + 42343762176 = 29466^2 + 205776^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43212007296 and 43212007305.

It is not an unprimeable number, because it can be changed into a prime (43212007331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 734032 + ... + 790712.

Almost surely, 2^43212007332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43212007332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61164299196).

43212007332 is an abundant number, since it is smaller than the sum of its proper divisors (79116591060).

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

43212007332 is a wasteful number, since it uses less digits than its factorization.

43212007332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56891 (or 56880 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 43212007332 its reverse (23370021234), we get a palindrome (66582028566).

The spelling of 43212007332 in words is "forty-three billion, two hundred twelve million, seven thousand, three hundred thirty-two".