212210375 has 32 divisors (see below), whose sum is σ = 291939648. Its totient is φ = 153014400.

The previous prime is 212210329. The next prime is 212210377. The reversal of 212210375 is 573012212.

It is a happy number.

It is not a de Polignac number, because 212210375 - 2²⁴ = 195433159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212210375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210377) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 68357 + ... + 71393.

It is an arithmetic number, because the mean of its divisors is an integer number (9123114).

Almost surely, 2^212210375 is an apocalyptic number.

212210375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212210375 is a deficient number, since it is larger than the sum of its proper divisors (79729273).

212210375 is a wasteful number, since it uses less digits than its factorization.

212210375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 212210375 is about 14567.4422943769. The cubic root of 212210375 is about 596.4703648047.

Adding to 212210375 its reverse (573012212), we get a palindrome (785222587).

The spelling of 212210375 in words is "two hundred twelve million, two hundred ten thousand, three hundred seventy-five".