4423312012 has 24 divisors (see below), whose sum is σ = 8885608704. Its totient is φ = 1887351312.

The previous prime is 4423312009. The next prime is 4423312063. The reversal of 4423312012 is 2102133244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341608 + ... + 354319.

It is an arithmetic number, because the mean of its divisors is an integer number (370233696).

Almost surely, 2^4423312012 is an apocalyptic number.

It is an amenable number.

4423312012 is an abundant number, since it is smaller than the sum of its proper divisors (4462296692).

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

4423312012 is a wasteful number, since it uses less digits than its factorization.

4423312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696165 (or 696163 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4423312012 is about 66507.9845732826. The cubic root of 4423312012 is about 1641.5313888387.

Adding to 4423312012 its reverse (2102133244), we get a palindrome (6525445256).

The spelling of 4423312012 in words is "four billion, four hundred twenty-three million, three hundred twelve thousand, twelve".