212122010122 has 32 divisors (see below), whose sum is σ = 356292338688. Its totient is φ = 93899400000.

The previous prime is 212122010039. The next prime is 212122010167. The reversal of 212122010122 is 221010221212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212122010096 and 212122010105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646954 + ... + 918037.

It is an arithmetic number, because the mean of its divisors is an integer number (11134135584).

Almost surely, 2^212122010122 is an apocalyptic number.

212122010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212122010122 is a deficient number, since it is larger than the sum of its proper divisors (144170328566).

212122010122 is a wasteful number, since it uses less digits than its factorization.

212122010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565166.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212122010122 its reverse (221010221212), we get a palindrome (433132231334).

The spelling of 212122010122 in words is "two hundred twelve billion, one hundred twenty-two million, ten thousand, one hundred twenty-two".