122030311320 has 128 divisors (see below), whose sum is σ = 408280824000. Its totient is φ = 32420367360.

The previous prime is 122030311283. The next prime is 122030311409. The reversal of 122030311320 is 23113030221.

122030311320 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 30 + 311 + 320 = 666.

It is a super-2 number, since 2×122030311320² (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 = 122030311293 and 122030311302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80500 + ... + 500540.

Almost surely, 2^122030311320 is an apocalyptic number.

122030311320 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 122030311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204140412000).

122030311320 is an abundant number, since it is smaller than the sum of its proper divisors (286250512680).

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

122030311320 is a wasteful number, since it uses less digits than its factorization.

122030311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420330 (or 420320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 122030311320 its reverse (23113030221), we get a palindrome (145143341541).

The spelling of 122030311320 in words is "one hundred twenty-two billion, thirty million, three hundred eleven thousand, three hundred twenty".