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10001212111013 is a prime number
BaseRepresentation
bin1001000110001001011010…
…1100011111100010100101
31022102002212200000212112212
42101202112230133202211
52302324440300023023
633134254324453205
72051364234203534
oct221422654374245
938362780025485
1010001212111013
113206543561a62
12115637584a205
13577158300386
142680c00d231b
1512524b571e78
hex91896b1f8a5

10001212111013 has 2 divisors, whose sum is σ = 10001212111014. Its totient is φ = 10001212111012.

The previous prime is 10001212111003. The next prime is 10001212111081. The reversal of 10001212111013 is 31011121210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9892389977089 + 108822133924 = 3145217^2 + 329882^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001212111013 - 218 = 10001211848869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001212111003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000606055506 + 5000606055507.

It is an arithmetic number, because the mean of its divisors is an integer number (5000606055507).

Almost surely, 210001212111013 is an apocalyptic number.

It is an amenable number.

10001212111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001212111013 is an equidigital number, since it uses as much as digits as its factorization.

10001212111013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10001212111013 its reverse (31011121210001), we get a palindrome (41012333321014).

The spelling of 10001212111013 in words is "ten trillion, one billion, two hundred twelve million, one hundred eleven thousand, thirteen".