122312312122 has 128 divisors (see below), whose sum is σ = 261900656640. Its totient is φ = 41281194240.

The previous prime is 122312312051. The next prime is 122312312153. The reversal of 122312312122 is 221213213221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 122312312093 and 122312312102.

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 63 ways as a sum of consecutive naturals, for example, 2415379 + ... + 2465497.

It is an arithmetic number, because the mean of its divisors is an integer number (2046098880).

Almost surely, 2^122312312122 is an apocalyptic number.

122312312122 is an abundant number, since it is smaller than the sum of its proper divisors (139588344518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122312312122 is a wasteful number, since it uses less digits than its factorization.

122312312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50228.

The product of its digits is 576, while the sum is 22.

Adding to 122312312122 its reverse (221213213221), we get a palindrome (343525525343).

It can be divided in two parts, 122312 and 312122, that added together give a palindrome (434434).

The spelling of 122312312122 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred twelve thousand, one hundred twenty-two".