122321140220 has 48 divisors (see below), whose sum is σ = 261747739008. Its totient is φ = 48006024000.

The previous prime is 122321140199. The next prime is 122321140229. The reversal of 122321140220 is 22041123221.

It is a super-2 number, since 2×122321140220² (a number of 23 digits) contains 22 as substring.

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 = 122321140192 and 122321140201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321140229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154499 + ... + 518181.

It is an arithmetic number, because the mean of its divisors is an integer number (5453077896).

Almost surely, 2^122321140220 is an apocalyptic number.

122321140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122321140220 is an abundant number, since it is smaller than the sum of its proper divisors (139426598788).

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

122321140220 is a wasteful number, since it uses less digits than its factorization.

122321140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364010 (or 364008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122321140220 its reverse (22041123221), we get a palindrome (144362263441).

The spelling of 122321140220 in words is "one hundred twenty-two billion, three hundred twenty-one million, one hundred forty thousand, two hundred twenty".