12202212 has 48 divisors (see below), whose sum is σ = 31413312. Its totient is φ = 3655680.

The previous prime is 12202207. The next prime is 12202217. The reversal of 12202212 is 21220221.

It is an interprime number because it is at equal distance from previous prime (12202207) and next prime (12202217).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12202217) 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 15 ways as a sum of consecutive naturals, for example, 12328 + ... + 13280.

It is an arithmetic number, because the mean of its divisors is an integer number (654444).

Almost surely, 2^12202212 is an apocalyptic number.

12202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15706656).

12202212 is an abundant number, since it is smaller than the sum of its proper divisors (19211100).

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

12202212 is a wasteful number, since it uses less digits than its factorization.

12202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12202212 is about 3493.1664718418. The cubic root of 12202212 is about 230.2216640579.

Adding to 12202212 its reverse (21220221), we get a palindrome (33422433).

Subtracting 12202212 from its reverse (21220221), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 1220221 and 2, that multiplied together give a palindrome (2440442).

The spelling of 12202212 in words is "twelve million, two hundred two thousand, two hundred twelve".