312240112004 has 24 divisors (see below), whose sum is σ = 589478842008. Its totient is φ = 144164134400.

The previous prime is 312240111991. The next prime is 312240112007. The reversal of 312240112004 is 400211042213.

It can be written as a sum of positive squares in 4 ways, for example, as 25169187904 + 287070924100 = 158648^2 + 535790^2 .

It is not an unprimeable number, because it can be changed into a prime (312240112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43314947 + ... + 43322154.

It is an arithmetic number, because the mean of its divisors is an integer number (24561618417).

Almost surely, 2^312240112004 is an apocalyptic number.

312240112004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312240112004 is a deficient number, since it is larger than the sum of its proper divisors (277238730004).

312240112004 is a wasteful number, since it uses less digits than its factorization.

312240112004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86637175 (or 86637173 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 312240112004 its reverse (400211042213), we get a palindrome (712451154217).

The spelling of 312240112004 in words is "three hundred twelve billion, two hundred forty million, one hundred twelve thousand, four".