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11212002012187 is a prime number
BaseRepresentation
bin1010001100100111111101…
…1001011010110000011011
31110200212010200211202100201
42203021333121122300123
52432144140003342222
635502420030243031
72235016601434444
oct243117731326033
943625120752321
1011212002012187
113632a8a926549
121310b64956477
13634397130892
142aa94163a2cb
151469b364a427
hexa327f65ac1b

11212002012187 has 2 divisors, whose sum is σ = 11212002012188. Its totient is φ = 11212002012186.

The previous prime is 11212002012139. The next prime is 11212002012203. The reversal of 11212002012187 is 78121020021211.

It is a strong prime.

It is an emirp because it is prime and its reverse (78121020021211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11212002012187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212002013187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606001006093 + 5606001006094.

It is an arithmetic number, because the mean of its divisors is an integer number (5606001006094).

Almost surely, 211212002012187 is an apocalyptic number.

11212002012187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212002012187 is an equidigital number, since it uses as much as digits as its factorization.

11212002012187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 11212002012187 its reverse (78121020021211), we get a palindrome (89333022033398).

The spelling of 11212002012187 in words is "eleven trillion, two hundred twelve billion, two million, twelve thousand, one hundred eighty-seven".