123310201122 has 20 divisors (see below), whose sum is σ = 276306191766. Its totient is φ = 41103400320.

The previous prime is 123310201081. The next prime is 123310201159. The reversal of 123310201122 is 221102013321.

123310201122 is a `hidden beast` number, since 12 + 331 + 0 + 201 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64090491921 + 59219709201 = 253161^2 + 243351^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123310201095 and 123310201104.

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 9 ways as a sum of consecutive naturals, for example, 380586879 + ... + 380587202.

Almost surely, 2^123310201122 is an apocalyptic number.

123310201122 is an abundant number, since it is smaller than the sum of its proper divisors (152995990644).

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

123310201122 is an equidigital number, since it uses as much as digits as its factorization.

123310201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761174095 (or 761174086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123310201122 its reverse (221102013321), we get a palindrome (344412214443).

The spelling of 123310201122 in words is "one hundred twenty-three billion, three hundred ten million, two hundred one thousand, one hundred twenty-two".