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BaseRepresentation
bin10111110101010
3121201221
42332222
5342302
6132254
750401
oct27652
917657
1012202
119193
12708a
135728
144638
153937
hex2faa

12202 has 4 divisors (see below), whose sum is σ = 18306. Its totient is φ = 6100.

The previous prime is 12197. The next prime is 12203. The reversal of 12202 is 20221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20221 = 73277.

It can be written as a sum of positive squares in only one way, i.e., 9801 + 2401 = 99^2 + 49^2 .

It is not an unprimeable number, because it can be changed into a prime (12203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049 + ... + 3052.

212202 is an apocalyptic number.

12202 is a deficient number, since it is larger than the sum of its proper divisors (6104).

12202 is an equidigital number, since it uses as much as digits as its factorization.

12202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 12202 is about 110.4626633755. The cubic root of 12202 is about 23.0220330768.

Adding to 12202 its reverse (20221), we get a palindrome (32423).

The spelling of 12202 in words is "twelve thousand, two hundred two", and thus it is an iban number.

Divisors: 1 2 6101 12202