212213243123122 has 32 divisors (see below), whose sum is σ = 323540862824448. Its totient is φ = 104374071035136.

The previous prime is 212213243123113. The next prime is 212213243123137. The reversal of 212213243123122 is 221321342312212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1113399843 + ... + 1113590425.

It is an arithmetic number, because the mean of its divisors is an integer number (10110651963264).

Almost surely, 2^{212213243123122} is an apocalyptic number.

212213243123122 is a deficient number, since it is larger than the sum of its proper divisors (111327619701326).

212213243123122 is a wasteful number, since it uses less digits than its factorization.

212213243123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210954.

The product of its digits is 13824, while the sum is 31.

Adding to 212213243123122 its reverse (221321342312212), we get a palindrome (433534585435334).

The spelling of 212213243123122 in words is "two hundred twelve trillion, two hundred thirteen billion, two hundred forty-three million, one hundred twenty-three thousand, one hundred twenty-two".