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212011010122112 = 2717613315886439
BaseRepresentation
bin110000001101001010101000…
…111100100110000110000000
31000210200001110211012022112022
4300031022220330212012000
5210242042022042401422
62030524302524421012
762441201320661435
oct6015125074460600
91023601424168468
10212011010122112
116160a401109923
121b9411a23a7768
13913b724a0b406
143a4d55d989b8c
151979d5d89d342
hexc0d2a8f26180

212011010122112 has 64 divisors (see below), whose sum is σ = 447283671386400. Its totient is φ = 99753613123584.

The previous prime is 212011010122097. The next prime is 212011010122123. The reversal of 212011010122112 is 211221010110212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402189 + ... + 21288627.

Almost surely, 2212011010122112 is an apocalyptic number.

It is an amenable number.

212011010122112 is an abundant number, since it is smaller than the sum of its proper divisors (235272661264288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011010122112 is a wasteful number, since it uses less digits than its factorization.

212011010122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892603 (or 15892591 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212011010122112 its reverse (211221010110212), we get a palindrome (423232020232324).

The spelling of 212011010122112 in words is "two hundred twelve trillion, eleven billion, ten million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 6133 12266 24532 49064 98128 104261 196256 208522 392512 417044 785024 834088 1668176 3336352 6672704 13345408 15886439 31772878 63545756 127091512 254183024 270069463 508366048 540138926 1016732096 1080277852 2033464192 2160555704 4321111408 8642222816 17284445632 34568891264 97431530387 194863060774 389726121548 779452243096 1558904486192 1656336016579 3117808972384 3312672033158 6235617944768 6625344066316 12471235889536 13250688132632 26501376265264 53002752530528 106005505061056 212011010122112