315206012 has 12 divisors (see below), whose sum is σ = 601757016. Its totient is φ = 143275440.

The previous prime is 315206009. The next prime is 315206033. The reversal of 315206012 is 210602513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581843 + ... + 3581930.

It is an arithmetic number, because the mean of its divisors is an integer number (50146418).

Almost surely, 2^315206012 is an apocalyptic number.

It is an amenable number.

315206012 is a deficient number, since it is larger than the sum of its proper divisors (286551004).

315206012 is a wasteful number, since it uses less digits than its factorization.

315206012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163788 (or 7163786 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 315206012 is about 17754.0421313007. The cubic root of 315206012 is about 680.5575099188.

Adding to 315206012 its reverse (210602513), we get a palindrome (525808525).

The spelling of 315206012 in words is "three hundred fifteen million, two hundred six thousand, twelve".