122320212220 has 24 divisors (see below), whose sum is σ = 256939379424. Its totient is φ = 48915335616.

The previous prime is 122320212193. The next prime is 122320212221. The reversal of 122320212220 is 22212023221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717967 + ... + 871846.

It is an arithmetic number, because the mean of its divisors is an integer number (10705807476).

Almost surely, 2^122320212220 is an apocalyptic number.

122320212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122320212220 is an abundant number, since it is smaller than the sum of its proper divisors (134619167204).

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

122320212220 is a wasteful number, since it uses less digits than its factorization.

122320212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593669 (or 1593667 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122320212220 its reverse (22212023221), we get a palindrome (144532235441).

The spelling of 122320212220 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred twelve thousand, two hundred twenty".