123020222122 has 24 divisors (see below), whose sum is σ = 221582183040. Its totient is φ = 51022210680.

The previous prime is 123020222113. The next prime is 123020222159. The reversal of 123020222122 is 221222020321.

It is a self number, because there is not a number n which added to its sum of digits gives 123020222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20243872 + ... + 20249947.

It is an arithmetic number, because the mean of its divisors is an integer number (9232590960).

Almost surely, 2^123020222122 is an apocalyptic number.

123020222122 is a deficient number, since it is larger than the sum of its proper divisors (98561960918).

123020222122 is a wasteful number, since it uses less digits than its factorization.

123020222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40493866 (or 40493859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123020222122 its reverse (221222020321), we get a palindrome (344242242443).

The spelling of 123020222122 in words is "one hundred twenty-three billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".