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1200002221207 is a prime number
BaseRepresentation
bin10001011101100101101…
…101001100010010010111
311020201102012212221220101
4101131211231030102113
5124130101032034312
62315135020114531
7152461113403606
oct21354555142227
94221365787811
101200002221207
11422a10a739a9
1217469a395a47
138920cbb4a2a
144211a945a3d
1521334ec8a57
hex11765b4c497

1200002221207 has 2 divisors, whose sum is σ = 1200002221208. Its totient is φ = 1200002221206.

The previous prime is 1200002221199. The next prime is 1200002221273. The reversal of 1200002221207 is 7021222000021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200002221207 - 23 = 1200002221199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200002221277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600001110603 + 600001110604.

It is an arithmetic number, because the mean of its divisors is an integer number (600001110604).

Almost surely, 21200002221207 is an apocalyptic number.

1200002221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200002221207 is an equidigital number, since it uses as much as digits as its factorization.

1200002221207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 1200002221207 its reverse (7021222000021), we get a palindrome (8221224221228).

The spelling of 1200002221207 in words is "one trillion, two hundred billion, two million, two hundred twenty-one thousand, two hundred seven".