122311203312123 has 48 divisors (see below), whose sum is σ = 213839085620160. Its totient is φ = 65764988725248.

The previous prime is 122311203312121. The next prime is 122311203312139. The reversal of 122311203312123 is 321213302113221.

122311203312123 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 112 + 0 + 331 + 212 + 3 = 666.

It is not a de Polignac number, because 122311203312123 - 2¹ = 122311203312121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122311203312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9284058 + ... + 18188351.

It is an arithmetic number, because the mean of its divisors is an integer number (4454980950420).

Almost surely, 2^{122311203312123} is an apocalyptic number.

122311203312123 is a deficient number, since it is larger than the sum of its proper divisors (91527882308037).

122311203312123 is a wasteful number, since it uses less digits than its factorization.

122311203312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27476596 (or 27476593 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 122311203312123 its reverse (321213302113221), we get a palindrome (443524505425344).

The spelling of 122311203312123 in words is "one hundred twenty-two trillion, three hundred eleven billion, two hundred three million, three hundred twelve thousand, one hundred twenty-three".