15315230212 has 24 divisors (see below), whose sum is σ = 28234199840. Its totient is φ = 7248942720.

The previous prime is 15315230123. The next prime is 15315230257. The reversal of 15315230212 is 21203251351.

15315230212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20887 + ... + 176257.

Almost surely, 2^15315230212 is an apocalyptic number.

It is an amenable number.

15315230212 is a deficient number, since it is larger than the sum of its proper divisors (12918969628).

15315230212 is a wasteful number, since it uses less digits than its factorization.

15315230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156691 (or 156689 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 15315230212 its reverse (21203251351), we get a palindrome (36518481563).

The spelling of 15315230212 in words is "fifteen billion, three hundred fifteen million, two hundred thirty thousand, two hundred twelve".