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1212212010203 is a prime number
BaseRepresentation
bin10001101000111101011…
…101110101110011011011
311021212221010202111122122
4101220331131311303123
5124330102233311303
62324514342211455
7153402513035225
oct21507535656333
94255833674578
101212212010203
11428107094107
12176b27423b8b
138a40765034c
1442958373415
15217ebd88e38
hex11a3d775cdb

1212212010203 has 2 divisors, whose sum is σ = 1212212010204. Its totient is φ = 1212212010202.

The previous prime is 1212212010173. The next prime is 1212212010241. The reversal of 1212212010203 is 3020102122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212212010203 - 28 = 1212212009947 is a prime.

It is a super-2 number, since 2×12122120102032 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212212000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106005101 + 606106005102.

It is an arithmetic number, because the mean of its divisors is an integer number (606106005102).

Almost surely, 21212212010203 is an apocalyptic number.

1212212010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212010203 is an equidigital number, since it uses as much as digits as its factorization.

1212212010203 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 17.

Adding to 1212212010203 its reverse (3020102122121), we get a palindrome (4232314132324).

The spelling of 1212212010203 in words is "one trillion, two hundred twelve billion, two hundred twelve million, ten thousand, two hundred three".