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1200212119 is a prime number
BaseRepresentation
bin100011110001001…
…1100100010010111
310002122102002111201
41013202130202113
54424223241434
6315032413331
741512430461
oct10742344227
93078362451
101200212119
11566541147
12295b47247
13161869bb2
14b5587131
157057d614
hex4789c897

1200212119 has 2 divisors, whose sum is σ = 1200212120. Its totient is φ = 1200212118.

The previous prime is 1200212093. The next prime is 1200212141. The reversal of 1200212119 is 9112120021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9112120021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200212119 is a prime.

It is a super-2 number, since 2×12002121192 = 2881018261188940322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200212096 and 1200212105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203212119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106059 + 600106060.

It is an arithmetic number, because the mean of its divisors is an integer number (600106060).

Almost surely, 21200212119 is an apocalyptic number.

1200212119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212119 is an equidigital number, since it uses as much as digits as its factorization.

1200212119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1200212119 is about 34644.0776901334. The cubic root of 1200212119 is about 1062.7211794028.

The spelling of 1200212119 in words is "one billion, two hundred million, two hundred twelve thousand, one hundred nineteen".