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2122120204443 = 331031276008489
BaseRepresentation
bin11110111000011000001…
…110001001000010011011
321111212120012120000012000
4132320120032021002123
5234232100233020233
64302515532452043
7306214055054361
oct36703016110233
97455505500160
102122120204443
11748a93593988
122a334591a023
13125165a91a85
14749d5621631
153a30418bd13
hex1ee1838909b

2122120204443 has 32 divisors (see below), whose sum is σ = 3199400755200. Its totient is φ = 1389979579968.

The previous prime is 2122120204411. The next prime is 2122120204453. The reversal of 2122120204443 is 3444020212212.

It is a happy number.

2122120204443 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 12 + 0 + 204 + 443 = 666.

It is not a de Polignac number, because 2122120204443 - 25 = 2122120204411 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2122120204453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651058 + ... + 3357431.

It is an arithmetic number, because the mean of its divisors is an integer number (99981273600).

Almost surely, 22122120204443 is an apocalyptic number.

2122120204443 is a deficient number, since it is larger than the sum of its proper divisors (1077280550757).

2122120204443 is a wasteful number, since it uses less digits than its factorization.

2122120204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008728 (or 6008722 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2122120204443 its reverse (3444020212212), we get a palindrome (5566140416655).

The spelling of 2122120204443 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred four thousand, four hundred forty-three".

Divisors: 1 3 9 27 103 127 309 381 927 1143 2781 3429 13081 39243 117729 353187 6008489 18025467 54076401 162229203 618874367 763078103 1856623101 2289234309 5569869303 6867702927 16709607909 20603108781 78597044609 235791133827 707373401481 2122120204443