212211410 has 16 divisors (see below), whose sum is σ = 383405400. Its totient is φ = 84567936.

The previous prime is 212211397. The next prime is 212211421. The reversal of 212211410 is 14112212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45981961 + 166229449 = 6781^2 + 12893^2 .

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, 36755 + ... + 42134.

Almost surely, 2^212211410 is an apocalyptic number.

212211410 is a deficient number, since it is larger than the sum of its proper divisors (171193990).

212211410 is a wasteful number, since it uses less digits than its factorization.

212211410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79165.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212211410 is about 14567.4778187578. The cubic root of 212211410 is about 596.4713345119.

Adding to 212211410 its reverse (14112212), we get a palindrome (226323622).

The spelling of 212211410 in words is "two hundred twelve million, two hundred eleven thousand, four hundred ten".