122031211320 has 96 divisors (see below), whose sum is σ = 413845005600. Its totient is φ = 31126799616.

The previous prime is 122031211307. The next prime is 122031211331. The reversal of 122031211320 is 23112130221.

122031211320 is a `hidden beast` number, since 1 + 2 + 20 + 312 + 11 + 320 = 666.

It is a super-2 number, since 2×122031211320² (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 = 122031211293 and 122031211302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7360755 + ... + 7377314.

It is an arithmetic number, because the mean of its divisors is an integer number (4310885475).

Almost surely, 2^122031211320 is an apocalyptic number.

122031211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122031211320 is an abundant number, since it is smaller than the sum of its proper divisors (291813794280).

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

122031211320 is a wasteful number, since it uses less digits than its factorization.

122031211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738109 (or 14738102 counting only the distinct ones).

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

Adding to 122031211320 its reverse (23112130221), we get a palindrome (145143341541).

The spelling of 122031211320 in words is "one hundred twenty-two billion, thirty-one million, two hundred eleven thousand, three hundred twenty".