315205012 has 12 divisors (see below), whose sum is σ = 552135136. Its totient is φ = 157452120.

The previous prime is 315204977. The next prime is 315205019. The reversal of 315205012 is 210502513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315205019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32814 + ... + 41317.

Almost surely, 2^315205012 is an apocalyptic number.

It is an amenable number.

315205012 is a deficient number, since it is larger than the sum of its proper divisors (236930124).

315205012 is a wasteful number, since it uses less digits than its factorization.

315205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75198 (or 75196 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 315205012 is about 17754.0139686776. The cubic root of 315205012 is about 680.5567902221.

Adding to 315205012 its reverse (210502513), we get a palindrome (525707525).

The spelling of 315205012 in words is "three hundred fifteen million, two hundred five thousand, twelve".