122421115212 has 48 divisors (see below), whose sum is σ = 311638223232. Its totient is φ = 37094826880.

The previous prime is 122421115211. The next prime is 122421115217. The reversal of 122421115212 is 212511124221.

It is not an unprimeable number, because it can be changed into a prime (122421115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3303088 + ... + 3339944.

It is an arithmetic number, because the mean of its divisors is an integer number (6492462984).

Almost surely, 2^122421115212 is an apocalyptic number.

122421115212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122421115212 is an abundant number, since it is smaller than the sum of its proper divisors (189217108020).

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

122421115212 is a wasteful number, since it uses less digits than its factorization.

122421115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62038 (or 62036 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

Adding to 122421115212 its reverse (212511124221), we get a palindrome (334932239433).

Subtracting 122421115212 from its reverse (212511124221), we obtain a palindrome (90090009009).

The spelling of 122421115212 in words is "one hundred twenty-two billion, four hundred twenty-one million, one hundred fifteen thousand, two hundred twelve".