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12000244200021 = 3271122368444149
BaseRepresentation
bin1010111010100000011001…
…0010101111001001010101
31120111012201122120202020200
42232220012102233021111
53033103000003400041
641304500332051113
72345663144456640
oct256500622571125
946435648522220
1012000244200021
113907303006a00
121419889603a99
1369080618133c
142d6b5a1c8a57
1515c2495ab1b6
hexaea064af255

12000244200021 has 72 divisors (see below), whose sum is σ = 22721267587200. Its totient is φ = 5962854173760.

The previous prime is 12000244200013. The next prime is 12000244200073.

12000244200021 is a `hidden beast` number, since 1 + 200 + 0 + 2 + 442 + 0 + 0 + 0 + 21 = 666.

12000244200021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12000244200021 - 23 = 12000244200013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12000244199967 and 12000244200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000244200001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34046746 + ... + 34397403.

Almost surely, 212000244200021 is an apocalyptic number.

12000244200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000244200021 is a deficient number, since it is larger than the sum of its proper divisors (10721023387179).

12000244200021 is a wasteful number, since it uses less digits than its factorization.

12000244200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68444207 (or 68444193 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 1200024 and 4200021, that added together give a palindrome (5400045).

The spelling of 12000244200021 in words is "twelve trillion, two hundred forty-four million, two hundred thousand, twenty-one".

Divisors: 1 3 7 9 11 21 23 33 63 69 77 99 121 161 207 231 253 363 483 693 759 847 1089 1449 1771 2277 2541 2783 5313 7623 8349 15939 19481 25047 58443 175329 68444149 205332447 479109043 615997341 752885639 1437327129 1574215427 2258656917 4311981387 4722646281 5270199473 6775970751 8281742029 11019507989 14167938843 15810598419 17316369697 24845226087 33058523967 47431795257 51949109091 57972194203 74535678261 99175571901 121214587879 155847327273 173916582609 190480066667 363643763637 521749747827 571440200001 1090931290911 1333360466669 1714320600003 4000081400007 12000244200021