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12100205051210 = 254376813663587
BaseRepresentation
bin1011000000010100110001…
…1011000111110101001010
31120211202202002120010102102
42300011030123013311022
53041222204443114320
641422431340033402
72356132234623653
oct260051433076512
946752662503372
1012100205051210
113945739332a11
121435126232862
1369a0768347b3
142db91dd7852a
1515eb4a161175
hexb014c6c7d4a

12100205051210 has 32 divisors (see below), whose sum is σ = 22289796948672. Its totient is φ = 4726905200640.

The previous prime is 12100205051201. The next prime is 12100205051243. The reversal of 12100205051210 is 1215050200121.

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, 1471037 + ... + 5134623.

It is an arithmetic number, because the mean of its divisors is an integer number (696556154646).

Almost surely, 212100205051210 is an apocalyptic number.

12100205051210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100205051210 is a deficient number, since it is larger than the sum of its proper divisors (10189591897462).

12100205051210 is a wasteful number, since it uses less digits than its factorization.

12100205051210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671318.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 12100205051210 its reverse (1215050200121), we get a palindrome (13315255251331).

The spelling of 12100205051210 in words is "twelve trillion, one hundred billion, two hundred five million, fifty-one thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 215 430 7681 15362 38405 76810 330283 660566 1651415 3302830 3663587 7327174 18317935 36635870 157534241 315068482 787671205 1575342410 28140011747 56280023494 140700058735 281400117470 1210020505121 2420041010242 6050102525605 12100205051210