212110012122 has 16 divisors (see below), whose sum is σ = 424264835232. Its totient is φ = 70695868880.

The previous prime is 212110012099. The next prime is 212110012123. The reversal of 212110012122 is 221210011212.

It is not an unprimeable number, because it can be changed into a prime (212110012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805433 + ... + 1919324.

It is an arithmetic number, because the mean of its divisors is an integer number (26516552202).

Almost surely, 2^212110012122 is an apocalyptic number.

212110012122 is an abundant number, since it is smaller than the sum of its proper divisors (212154823110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212110012122 is a wasteful number, since it uses less digits than its factorization.

212110012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734253.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110012122 its reverse (221210011212), we get a palindrome (433320023334).

The spelling of 212110012122 in words is "two hundred twelve billion, one hundred ten million, twelve thousand, one hundred twenty-two".