122231310120 has 80 divisors (see below), whose sum is σ = 410833025460. Its totient is φ = 32595015168.

The previous prime is 122231310083. The next prime is 122231310191. The reversal of 122231310120 is 21013132221.

122231310120 is a `hidden beast` number, since 1 + 2 + 2 + 231 + 310 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99440576964 + 22790733156 = 315342^2 + 150966^2 .

It is a super-2 number, since 2×122231310120² (a number of 23 digits) contains 22 as substring.

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 = 122231310093 and 122231310102.

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 19 ways as a sum of consecutive naturals, for example, 18859617 + ... + 18866096.

Almost surely, 2^122231310120 is an apocalyptic number.

122231310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122231310120 is an abundant number, since it is smaller than the sum of its proper divisors (288601715340).

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

122231310120 is a wasteful number, since it uses less digits than its factorization.

122231310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37725736 (or 37725723 counting only the distinct ones).

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

Adding to 122231310120 its reverse (21013132221), we get a palindrome (143244442341).

The spelling of 122231310120 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred ten thousand, one hundred twenty".