43421212332 has 36 divisors (see below), whose sum is σ = 111397378456. Its totient is φ = 14257710720.

The previous prime is 43421212313. The next prime is 43421212369. The reversal of 43421212332 is 23321212434.

43421212332 is a `hidden beast` number, since 4 + 3 + 421 + 2 + 1 + 233 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 43421212296 and 43421212305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8998669 + ... + 9003492.

Almost surely, 2^43421212332 is an apocalyptic number.

It is an amenable number.

43421212332 is an abundant number, since it is smaller than the sum of its proper divisors (67976166124).

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

43421212332 is a wasteful number, since it uses less digits than its factorization.

43421212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002238 (or 18002233 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 43421212332 its reverse (23321212434), we get a palindrome (66742424766).

The spelling of 43421212332 in words is "forty-three billion, four hundred twenty-one million, two hundred twelve thousand, three hundred thirty-two".