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12202130221 is a prime number
BaseRepresentation
bin10110101110100110…
…11011101100101101
31011111101110102212221
423113103123230231
5144442221131341
65334445555341
7611244252451
oct132723335455
934441412787
1012202130221
1151a186a046
122446575b51
1311c5cb65c8
1483a7d6661
154b639aed1
hex2d74dbb2d

12202130221 has 2 divisors, whose sum is σ = 12202130222. Its totient is φ = 12202130220.

The previous prime is 12202130209. The next prime is 12202130233. The reversal of 12202130221 is 12203120221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12202130209) and next prime (12202130233).

It can be written as a sum of positive squares in only one way, i.e., 10305092196 + 1897038025 = 101514^2 + 43555^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202130221 - 213 = 12202122029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202130195 and 12202130204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202130261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101065110 + 6101065111.

It is an arithmetic number, because the mean of its divisors is an integer number (6101065111).

Almost surely, 212202130221 is an apocalyptic number.

It is an amenable number.

12202130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202130221 is an equidigital number, since it uses as much as digits as its factorization.

12202130221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202130221 its reverse (12203120221), we get a palindrome (24405250442).

The spelling of 12202130221 in words is "twelve billion, two hundred two million, one hundred thirty thousand, two hundred twenty-one".