312442242132 has 48 divisors (see below), whose sum is σ = 742946541120. Its totient is φ = 102160451328.

The previous prime is 312442242121. The next prime is 312442242139. The reversal of 312442242132 is 231242244213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 312442242132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312442242139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059163 + ... + 3159645.

It is an arithmetic number, because the mean of its divisors is an integer number (15478052940).

Almost surely, 2^312442242132 is an apocalyptic number.

It is an amenable number.

312442242132 is an abundant number, since it is smaller than the sum of its proper divisors (430504298988).

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

312442242132 is a wasteful number, since it uses less digits than its factorization.

312442242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105432 (or 105430 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 312442242132 its reverse (231242244213), we get a palindrome (543684486345).

The spelling of 312442242132 in words is "three hundred twelve billion, four hundred forty-two million, two hundred forty-two thousand, one hundred thirty-two".