12320311123122 has 16 divisors (see below), whose sum is σ = 25306585010112. Its totient is φ = 3995776580400.

The previous prime is 12320311123111. The next prime is 12320311123157. The reversal of 12320311123122 is 22132111302321.

It is a junction number, because it is equal to n+sod(n) for n = 12320311123092 and 12320311123101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27748448254 + ... + 27748448697.

It is an arithmetic number, because the mean of its divisors is an integer number (1581661563132).

Almost surely, 2^{12320311123122} is an apocalyptic number.

12320311123122 is an abundant number, since it is smaller than the sum of its proper divisors (12986273886990).

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

12320311123122 is a wasteful number, since it uses less digits than its factorization.

12320311123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55496896993.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12320311123122 its reverse (22132111302321), we get a palindrome (34452422425443).

The spelling of 12320311123122 in words is "twelve trillion, three hundred twenty billion, three hundred eleven million, one hundred twenty-three thousand, one hundred twenty-two".