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2012132209 is a prime number
BaseRepresentation
bin111011111101110…
…1011001101110001
312012020011220111011
41313323223031301
513110101212314
6531354550521
7100601561443
oct16773531561
95166156434
102012132209
1194288378a
12481a38441
13260b34599
14151336493
15bb9ac4c4
hex77eeb371

2012132209 has 2 divisors, whose sum is σ = 2012132210. Its totient is φ = 2012132208.

The previous prime is 2012132179. The next prime is 2012132233. The reversal of 2012132209 is 9022312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009459984 + 1002672225 = 31772^2 + 31665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012132209 - 213 = 2012124017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012132209.

It is not a weakly prime, because it can be changed into another prime (2012132279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006066104 + 1006066105.

It is an arithmetic number, because the mean of its divisors is an integer number (1006066105).

Almost surely, 22012132209 is an apocalyptic number.

It is an amenable number.

2012132209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012132209 is an equidigital number, since it uses as much as digits as its factorization.

2012132209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2012132209 is about 44856.7966867898. The cubic root of 2012132209 is about 1262.4635200909.

The spelling of 2012132209 in words is "two billion, twelve million, one hundred thirty-two thousand, two hundred nine".