122155330120 has 64 divisors (see below), whose sum is σ = 285141888000. Its totient is φ = 47048221440.

The previous prime is 122155330103. The next prime is 122155330159. The reversal of 122155330120 is 21033551221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759 + ... + 494278.

It is an arithmetic number, because the mean of its divisors is an integer number (4455342000).

Almost surely, 2^122155330120 is an apocalyptic number.

122155330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122155330120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142570944000).

122155330120 is an abundant number, since it is smaller than the sum of its proper divisors (162986557880).

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

122155330120 is a wasteful number, since it uses less digits than its factorization.

122155330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495278 (or 495274 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 122155330120 its reverse (21033551221), we get a palindrome (143188881341).

The spelling of 122155330120 in words is "one hundred twenty-two billion, one hundred fifty-five million, three hundred thirty thousand, one hundred twenty".