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12021200201222 = 2232118091530943
BaseRepresentation
bin1010111011101110011101…
…0111100010011000000110
31120120012211002222220121022
42232323213113202120012
53033423404222414342
641322244011551142
72350334355523232
oct256734727423006
946505732886538
1012021200201222
113915187137863
12142195775b4b2
1369279592c454
142d7b874475c2
1515ca742169d2
hexaeee75e2606

12021200201222 has 32 divisors (see below), whose sum is σ = 18928346664960. Its totient is φ = 5714945248320.

The previous prime is 12021200201173. The next prime is 12021200201239. The reversal of 12021200201222 is 22210200212021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021200201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7086683 + ... + 8617625.

It is an arithmetic number, because the mean of its divisors is an integer number (591510833280).

Almost surely, 212021200201222 is an apocalyptic number.

12021200201222 is a deficient number, since it is larger than the sum of its proper divisors (6907146463738).

12021200201222 is a wasteful number, since it uses less digits than its factorization.

12021200201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531988.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12021200201222 its reverse (22210200212021), we get a palindrome (34231400413243).

The spelling of 12021200201222 in words is "twelve trillion, twenty-one billion, two hundred million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 23 46 211 422 809 1618 4853 9706 18607 37214 170699 341398 1530943 3061886 3926077 7852154 35211689 70423378 323028973 646057946 1238532887 2477065774 7429666379 14859332758 28486256401 56972512802 261330439157 522660878314 6010600100611 12021200201222