212230415 has 8 divisors (see below), whose sum is σ = 254765088. Its totient is φ = 169725280.

The previous prime is 212230373. The next prime is 212230423. The reversal of 212230415 is 514032212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212230415 - 2¹⁸ = 211968271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14129 + ... + 24981.

It is an arithmetic number, because the mean of its divisors is an integer number (31845636).

Almost surely, 2^212230415 is an apocalyptic number.

212230415 is a deficient number, since it is larger than the sum of its proper divisors (42534673).

212230415 is a wasteful number, since it uses less digits than its factorization.

212230415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14769.

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

The square root of 212230415 is about 14568.1301133673. The cubic root of 212230415 is about 596.4891400253.

Adding to 212230415 its reverse (514032212), we get a palindrome (726262627).

The spelling of 212230415 in words is "two hundred twelve million, two hundred thirty thousand, four hundred fifteen".