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12122102101095 = 345725969164653
BaseRepresentation
bin1011000001100110010110…
…0101101111010001100111
31120220212021010201111220000
42300121211211233101213
53042102031114213340
641440452233512343
72360535663522360
oct260314545572147
946825233644800
1012122102101095
113953a55682658
1214394175726b3
1369c15624c24c
142dc9da19ab67
151604cc705d30
hexb066596f467

12122102101095 has 80 divisors (see below), whose sum is σ = 24835381919040. Its totient is φ = 5541285344256.

The previous prime is 12122102101091. The next prime is 12122102101121. The reversal of 12122102101095 is 59010120122121.

12122102101095 is a `hidden beast` number, since 121 + 221 + 0 + 210 + 109 + 5 = 666.

It is not a de Polignac number, because 12122102101095 - 22 = 12122102101091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102101091) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 73539789 + ... + 73704441.

It is an arithmetic number, because the mean of its divisors is an integer number (310442273988).

Almost surely, 212122102101095 is an apocalyptic number.

12122102101095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12122102101095 is an abundant number, since it is smaller than the sum of its proper divisors (12713279817945).

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

12122102101095 is a wasteful number, since it uses less digits than its factorization.

12122102101095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190646 (or 190637 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 12122102101095 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred one thousand, ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 315 405 567 945 2835 25969 77907 129845 164653 181783 233721 389535 493959 545349 701163 823265 908915 1152571 1168605 1481877 1636047 2103489 2469795 2726745 3457713 3505815 4445631 4908141 5762855 7409385 8180235 10373139 10517445 13336893 14724423 17288565 22228155 24540705 31119417 51865695 66684465 73622115 93358251 155597085 466791255 4275873757 12827621271 21379368785 29931116299 38482863813 64138106355 89793348897 115448591439 149655581495 192414319065 269380046691 346345774317 448966744485 577242957195 808140140073 1346900233455 1731728871585 2424420420219 4040700700365 12122102101095