122120322320 has 20 divisors (see below), whose sum is σ = 283929749580. Its totient is φ = 48848128896.

The previous prime is 122120322293. The next prime is 122120322349. The reversal of 122120322320 is 23223021221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89779335424 + 32340986896 = 299632^2 + 179836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122120322292 and 122120322301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763251935 + ... + 763252094.

It is an arithmetic number, because the mean of its divisors is an integer number (14196487479).

Almost surely, 2^122120322320 is an apocalyptic number.

122120322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120322320 is an abundant number, since it is smaller than the sum of its proper divisors (161809427260).

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

122120322320 is a wasteful number, since it uses less digits than its factorization.

122120322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526504042 (or 1526504036 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122120322320 its reverse (23223021221), we get a palindrome (145343343541).

The spelling of 122120322320 in words is "one hundred twenty-two billion, one hundred twenty million, three hundred twenty-two thousand, three hundred twenty".