4312121232 has 40 divisors (see below), whose sum is σ = 11322271360. Its totient is φ = 1413809280.

The previous prime is 4312121207. The next prime is 4312121251. The reversal of 4312121232 is 2321212134.

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 = 4312121199 and 4312121208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733432 + ... + 739287.

It is an arithmetic number, because the mean of its divisors is an integer number (283056784).

Almost surely, 2^4312121232 is an apocalyptic number.

It is an amenable number.

4312121232 is an abundant number, since it is smaller than the sum of its proper divisors (7010150128).

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

4312121232 is a wasteful number, since it uses less digits than its factorization.

4312121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472791 (or 1472785 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 4312121232 is about 65666.7437292272. The cubic root of 4312121232 is about 1627.6598624944.

Adding to 4312121232 its reverse (2321212134), we get a palindrome (6633333366).

The spelling of 4312121232 in words is "four billion, three hundred twelve million, one hundred twenty-one thousand, two hundred thirty-two".