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11212100230012 = 22114191450383
BaseRepresentation
bin1010001100101000010101…
…0000000101101101111100
31110200212101112122201212221
42203022011100011231330
52432144340124330022
635502433455335124
72235022203325003
oct243120520055574
943625345581787
1011212100230012
113633030310000
121310b918214a4
136343b159c136
142aa9506c5c3a
151469bc09bcc7
hexa3285405b7c

11212100230012 has 30 divisors (see below), whose sum is σ = 21583159040240. Its totient is φ = 5096409168840.

The previous prime is 11212100230003. The next prime is 11212100230013. The reversal of 11212100230012 is 21003200121211.

It is a super-2 number, since 2×112121002300122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212100230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95666628 + ... + 95783755.

Almost surely, 211212100230012 is an apocalyptic number.

It is an amenable number.

11212100230012 is a deficient number, since it is larger than the sum of its proper divisors (10371058810228).

11212100230012 is an equidigital number, since it uses as much as digits as its factorization.

11212100230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191450431 (or 191450396 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11212100230012 its reverse (21003200121211), we get a palindrome (32215300351223).

The spelling of 11212100230012 in words is "eleven trillion, two hundred twelve billion, one hundred million, two hundred thirty thousand, twelve".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 14641 29282 58564 191450383 382900766 765801532 2105954213 4211908426 8423816852 23165496343 46330992686 92661985372 254820459773 509640919546 1019281839092 2803025057503 5606050115006 11212100230012