122421211312 has 40 divisors (see below), whose sum is σ = 249700367360. Its totient is φ = 57983065920.

The previous prime is 122421211307. The next prime is 122421211313. The reversal of 122421211312 is 213112124221.

It is a super-2 number, since 2×122421211312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122421211313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848673 + ... + 4873855.

It is an arithmetic number, because the mean of its divisors is an integer number (6242509184).

Almost surely, 2^122421211312 is an apocalyptic number.

It is an amenable number.

122421211312 is an abundant number, since it is smaller than the sum of its proper divisors (127279156048).

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

122421211312 is a wasteful number, since it uses less digits than its factorization.

122421211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201 (or 41195 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 122421211312 its reverse (213112124221), we get a palindrome (335533335533).

The spelling of 122421211312 in words is "one hundred twenty-two billion, four hundred twenty-one million, two hundred eleven thousand, three hundred twelve".