122130132320 has 144 divisors (see below), whose sum is σ = 338900653728. Its totient is φ = 41466378240.

The previous prime is 122130132287. The next prime is 122130132329. The reversal of 122130132320 is 23231031221.

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 = 122130132292 and 122130132301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130132329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731900 + ... + 883140.

It is an arithmetic number, because the mean of its divisors is an integer number (2353476762).

Almost surely, 2^122130132320 is an apocalyptic number.

122130132320 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 122130132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169450326864).

122130132320 is an abundant number, since it is smaller than the sum of its proper divisors (216770521408).

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

122130132320 is a wasteful number, since it uses less digits than its factorization.

122130132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151373 (or 151358 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122130132320 its reverse (23231031221), we get a palindrome (145361163541).

The spelling of 122130132320 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred thirty-two thousand, three hundred twenty".