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11212002120012 = 2232347864323321
BaseRepresentation
bin1010001100100111111101…
…1001110101000101001100
31110200212010201001020021020
42203021333121311011030
52432144140020320022
635502420032434140
72235016602364011
oct243117731650514
943625121036236
1011212002120012
113632a8a99a561
121310b649a8950
1363439716a995
142aa941667708
151469b366c35c
hexa327f67514c

11212002120012 has 48 divisors (see below), whose sum is σ = 27879613074432. Its totient is φ = 3498780799360.

The previous prime is 11212002119993. The next prime is 11212002120017. The reversal of 11212002120012 is 21002120021211.

It is a junction number, because it is equal to n+sod(n) for n = 11212002119973 and 11212002120000.

It is not an unprimeable number, because it can be changed into a prime (11212002120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432148689 + ... + 432174632.

It is an arithmetic number, because the mean of its divisors is an integer number (580825272384).

Almost surely, 211212002120012 is an apocalyptic number.

11212002120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212002120012 is an abundant number, since it is smaller than the sum of its proper divisors (16667610954420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212002120012 is a wasteful number, since it uses less digits than its factorization.

11212002120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864323398 (or 864323396 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212002120012 its reverse (21002120021211), we get a palindrome (32214122141223).

The spelling of 11212002120012 in words is "eleven trillion, two hundred twelve billion, two million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 47 69 92 94 138 141 188 276 282 564 1081 2162 3243 4324 6486 12972 864323321 1728646642 2592969963 3457293284 5185939926 10371879852 19879436383 39758872766 40623196087 59638309149 79517745532 81246392174 119276618298 121869588261 162492784348 238553236596 243739176522 487478353044 934333510001 1868667020002 2803000530003 3737334040004 5606001060006 11212002120012