318630443012 has 24 divisors (see below), whose sum is σ = 674746821504. Its totient is φ = 128523203712.

The previous prime is 318630442987. The next prime is 318630443017. The reversal of 318630443012 is 210344036813.

It is not an unprimeable number, because it can be changed into a prime (318630443017) 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, 334695368 + ... + 334696319.

It is an arithmetic number, because the mean of its divisors is an integer number (28114450896).

Almost surely, 2^318630443012 is an apocalyptic number.

It is an amenable number.

318630443012 is an abundant number, since it is smaller than the sum of its proper divisors (356116378492).

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

318630443012 is a wasteful number, since it uses less digits than its factorization.

318630443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669391715 (or 669391713 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 318630443012 its reverse (210344036813), we get a palindrome (528974479825).

The spelling of 318630443012 in words is "three hundred eighteen billion, six hundred thirty million, four hundred forty-three thousand, twelve".