12212298 has 48 divisors (see below), whose sum is σ = 30566016. Its totient is φ = 3451680.

The previous prime is 12212297. The next prime is 12212303. The reversal of 12212298 is 89221221.

It is not an unprimeable number, because it can be changed into a prime (12212293) 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 23 ways as a sum of consecutive naturals, for example, 12508 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (636792).

Almost surely, 2^12212298 is an apocalyptic number.

12212298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15283008).

12212298 is an abundant number, since it is smaller than the sum of its proper divisors (18353718).

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

12212298 is a wasteful number, since it uses less digits than its factorization.

12212298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1056 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12212298 is about 3494.6098494682. The cubic root of 12212298 is about 230.2850781402.

The spelling of 12212298 in words is "twelve million, two hundred twelve thousand, two hundred ninety-eight".