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12000200212221 = 313734215033443
BaseRepresentation
bin1010111010100000001110…
…1010111011111011111101
31120111012121120210221022220
42232220003222323323331
53033102402223242341
641304452121155553
72345662101542424
oct256500352737375
946435546727286
1012000200212221
1139072901a2251
12141987692bbb9
136907ca01c660
142d6b544182bb
1515c2457bca66
hexaea03abbefd

12000200212221 has 16 divisors (see below), whose sum is σ = 17467098591936. Its totient is φ = 7283577787776.

The previous prime is 12000200212219. The next prime is 12000200212229. The reversal of 12000200212221 is 12221200200021.

It is not a de Polignac number, because 12000200212221 - 21 = 12000200212219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000200212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000200212229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107513875 + ... + 2107519568.

It is an arithmetic number, because the mean of its divisors is an integer number (1091693661996).

Almost surely, 212000200212221 is an apocalyptic number.

It is an amenable number.

12000200212221 is a deficient number, since it is larger than the sum of its proper divisors (5466898379715).

12000200212221 is a wasteful number, since it uses less digits than its factorization.

12000200212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215033532.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12000200212221 its reverse (12221200200021), we get a palindrome (24221400412242).

The spelling of 12000200212221 in words is "twelve trillion, two hundred million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 3 13 39 73 219 949 2847 4215033443 12645100329 54795434759 164386304277 307697441339 923092324017 4000066737407 12000200212221