122212452 has 12 divisors (see below), whose sum is σ = 285162416. Its totient is φ = 40737480.

The previous prime is 122212451. The next prime is 122212469. The reversal of 122212452 is 254212221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122212451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092174 + ... + 5092197.

Almost surely, 2^122212452 is an apocalyptic number.

122212452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122212452 is an abundant number, since it is smaller than the sum of its proper divisors (162949964).

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

122212452 is a wasteful number, since it uses less digits than its factorization.

122212452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10184378 (or 10184376 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 122212452 is about 11054.9740840945. The cubic root of 122212452 is about 496.2552936979.

Adding to 122212452 its reverse (254212221), we get a palindrome (376424673).

The spelling of 122212452 in words is "one hundred twenty-two million, two hundred twelve thousand, four hundred fifty-two".