212333330222123 has 32 divisors (see below), whose sum is σ = 255936590300160. Its totient is φ = 173769172572160.

The previous prime is 212333330222051. The next prime is 212333330222203. The reversal of 212333330222123 is 321222033333212.

It is not a de Polignac number, because 212333330222123 - 2¹² = 212333330218027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212333330222123.

It is not an unprimeable number, because it can be changed into a prime (212333330222723) 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 31 ways as a sum of consecutive naturals, for example, 100183898 + ... + 102281376.

It is an arithmetic number, because the mean of its divisors is an integer number (7998018446880).

Almost surely, 2^{212333330222123} is an apocalyptic number.

212333330222123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212333330222123 is a deficient number, since it is larger than the sum of its proper divisors (43603260078037).

212333330222123 is a wasteful number, since it uses less digits than its factorization.

212333330222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121067.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 212333330222123 its reverse (321222033333212), we get a palindrome (533555363555335).

The spelling of 212333330222123 in words is "two hundred twelve trillion, three hundred thirty-three billion, three hundred thirty million, two hundred twenty-two thousand, one hundred twenty-three".