12202117 has 2 divisors, whose sum is σ = 12202118. Its totient is φ = 12202116.

The previous prime is 12202097. The next prime is 12202129. The reversal of 12202117 is 71120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7322436 + 4879681 = 2706^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202117 - 2¹⁵ = 12169349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101058 + 6101059.

It is an arithmetic number, because the mean of its divisors is an integer number (6101059).

Almost surely, 2^12202117 is an apocalyptic number.

It is an amenable number.

12202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202117 is an equidigital number, since it uses as much as digits as its factorization.

12202117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 12202117 is about 3493.1528738376. The cubic root of 12202117 is about 230.2210665948.

Adding to 12202117 its reverse (71120221), we get a palindrome (83322338).

The spelling of 12202117 in words is "twelve million, two hundred two thousand, one hundred seventeen".