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12021002012210 = 251918637292837
BaseRepresentation
bin1010111011101101101110…
…0011100000011000110010
31120120012022022001212101112
42232323123203200120302
53033423003003342320
641322212212033322
72350326431120552
oct256733343403062
946505268055345
1012021002012210
113915095281494
121421901302842
1369276385a549
142d7b68db7162
1515ca61b18ec5
hexaeedb8e0632

12021002012210 has 32 divisors (see below), whose sum is σ = 21776297582592. Its totient is φ = 4777682720320.

The previous prime is 12021002012141. The next prime is 12021002012237. The reversal of 12021002012210 is 1221020012021.

It is an unprimeable number.

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, 1998089 + ... + 5294748.

It is an arithmetic number, because the mean of its divisors is an integer number (680509299456).

Almost surely, 212021002012210 is an apocalyptic number.

12021002012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021002012210 is a deficient number, since it is larger than the sum of its proper divisors (9755295570382).

12021002012210 is a wasteful number, since it uses less digits than its factorization.

12021002012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021002012210 its reverse (1221020012021), we get a palindrome (13242022024231).

The spelling of 12021002012210 in words is "twelve trillion, twenty-one billion, two million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 191 382 863 955 1726 1910 4315 8630 164833 329666 824165 1648330 7292837 14585674 36464185 72928370 1392931867 2785863734 6293718331 6964659335 12587436662 13929318670 31468591655 62937183310 1202100201221 2404200402442 6010501006105 12021002012210