210012122 has 8 divisors (see below), whose sum is σ = 315086976.
Its totient is φ = 104983132.
The previous prime is 210012083. The next prime is 210012151. The reversal of 210012122 is 221210012.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 20949.
It is an arithmetic number, because the mean of its divisors is an integer number (39385872).
Almost surely, 2210012122 is an apocalyptic number.
210012122 is a deficient number, since it is larger than the sum of its proper divisors (105074854).
210012122 is a wasteful number, since it uses less digits than its factorization.
210012122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22932.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 210012122 is about 14491.7949888894.
The cubic root of 210012122 is about 594.4036319169.
Adding to 210012122 its reverse (221210012), we get a palindrome (431222134).
The spelling of 210012122 in words is "two hundred ten million, twelve thousand, one hundred twenty-two".