210212122 has 16 divisors (see below), whose sum is σ = 323940672. Its totient is φ = 102251520.

The previous prime is 210212047. The next prime is 210212131. The reversal of 210212122 is 221212012.

It is a happy 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, 17347 + ... + 26857.

It is an arithmetic number, because the mean of its divisors is an integer number (20246292).

Almost surely, 2^210212122 is an apocalyptic number.

210212122 is a deficient number, since it is larger than the sum of its proper divisors (113728550).

210212122 is a wasteful number, since it uses less digits than its factorization.

210212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 210212122 is about 14498.6938032362. The cubic root of 210212122 is about 594.5922607247.

Adding to 210212122 its reverse (221212012), we get a palindrome (431424134).

The spelling of 210212122 in words is "two hundred ten million, two hundred twelve thousand, one hundred twenty-two".