315120445212 has 72 divisors (see below), whose sum is σ = 760086622848. Its totient is φ = 101608719840.

The previous prime is 315120445201. The next prime is 315120445259. The reversal of 315120445212 is 212544021513.

It is a self number, because there is not a number n which added to its sum of digits gives 315120445212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38132193 + ... + 38140455.

Almost surely, 2^315120445212 is an apocalyptic number.

It is an amenable number.

315120445212 is an abundant number, since it is smaller than the sum of its proper divisors (444966177636).

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

315120445212 is a wasteful number, since it uses less digits than its factorization.

315120445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639 (or 11606 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 315120445212 its reverse (212544021513), we get a palindrome (527664466725).

The spelling of 315120445212 in words is "three hundred fifteen billion, one hundred twenty million, four hundred forty-five thousand, two hundred twelve".