215050312 has 32 divisors (see below), whose sum is σ = 421070400. Its totient is φ = 102835264.

The previous prime is 215050291. The next prime is 215050321. The reversal of 215050312 is 213050512.

It is a self number, because there is not a number n which added to its sum of digits gives 215050312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20493 + ... + 29155.

It is an arithmetic number, because the mean of its divisors is an integer number (13158450).

Almost surely, 2^215050312 is an apocalyptic number.

It is an amenable number.

215050312 is a deficient number, since it is larger than the sum of its proper divisors (206020088).

215050312 is a wasteful number, since it uses less digits than its factorization.

215050312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805 (or 8801 counting only the distinct ones).

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

The square root of 215050312 is about 14664.5938232192. The cubic root of 215050312 is about 599.1193673686.

The spelling of 215050312 in words is "two hundred fifteen million, fifty thousand, three hundred twelve".