212100210122 has 8 divisors (see below), whose sum is σ = 328413228672. Its totient is φ = 102629133900.

The previous prime is 212100210097. The next prime is 212100210151. The reversal of 212100210122 is 221012001212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212100210097 and 212100210106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710485504 + ... + 1710485627.

It is an arithmetic number, because the mean of its divisors is an integer number (41051653584).

Almost surely, 2^212100210122 is an apocalyptic number.

212100210122 is a deficient number, since it is larger than the sum of its proper divisors (116313018550).

212100210122 is a wasteful number, since it uses less digits than its factorization.

212100210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420971164.

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

Adding to 212100210122 its reverse (221012001212), we get a palindrome (433112211334).

The spelling of 212100210122 in words is "two hundred twelve billion, one hundred million, two hundred ten thousand, one hundred twenty-two".