212204315 has 16 divisors (see below), whose sum is σ = 265791456. Its totient is φ = 162489600.

The previous prime is 212204273. The next prime is 212204327. The reversal of 212204315 is 513402212.

It is not a de Polignac number, because 212204315 - 2⁸ = 212204059 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1100 + ... + 20630.

It is an arithmetic number, because the mean of its divisors is an integer number (16611966).

Almost surely, 2^212204315 is an apocalyptic number.

212204315 is a deficient number, since it is larger than the sum of its proper divisors (53587141).

212204315 is a wasteful number, since it uses less digits than its factorization.

212204315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212204315 is about 14567.2342948138. The cubic root of 212204315 is about 596.4646870351.

Adding to 212204315 its reverse (513402212), we get a palindrome (725606527).

The spelling of 212204315 in words is "two hundred twelve million, two hundred four thousand, three hundred fifteen".