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212011000121012 = 22173117808825309
BaseRepresentation
bin110000001101001010101000…
…010110011100011010110100
31000210200001110010101012121012
4300031022220112130122310
5210242042012012333022
62030524301530211352
762441201136655631
oct6015125026343264
91023601403335535
10212011000121012
116160a3a64a8954
121b94119ab83b58
13913b7229191c1
143a4d55c505188
151979d5ca74de2
hexc0d2a859c6b4

212011000121012 has 12 divisors (see below), whose sum is σ = 392843911989060. Its totient is φ = 99769882409856.

The previous prime is 212011000120993. The next prime is 212011000121033. The reversal of 212011000121012 is 210121000110212.

It can be written as a sum of positive squares in 2 ways, for example, as 114120634791076 + 97890365329936 = 10682726^2 + 9893956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558904412587 + ... + 1558904412722.

It is an arithmetic number, because the mean of its divisors is an integer number (32736992665755).

Almost surely, 2212011000121012 is an apocalyptic number.

It is an amenable number.

212011000121012 is a deficient number, since it is larger than the sum of its proper divisors (180832911868048).

212011000121012 is a wasteful number, since it uses less digits than its factorization.

212011000121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117808825330 (or 3117808825328 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212011000121012 its reverse (210121000110212), we get a palindrome (422132000231224).

The spelling of 212011000121012 in words is "two hundred twelve trillion, eleven billion, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 17 34 68 3117808825309 6235617650618 12471235301236 53002750030253 106005500060506 212011000121012