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12221120012182 = 212841475863251
BaseRepresentation
bin1011000111010111001110…
…0001000101111110010110
31121021022211212101120102021
42301311303201011332112
53100212323210342212
641554145515203354
72400642514056034
oct261656341057626
947238755346367
1012221120012182
113991a47708824
12145465044655a
136a85a6453193
14303710a13554
15162d755eb307
hexb1d73845f96

12221120012182 has 8 divisors (see below), whose sum is σ = 18333107646552. Its totient is φ = 6110084130000.

The previous prime is 12221120012159. The next prime is 12221120012183. The reversal of 12221120012182 is 28121002112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122211200121822 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221120012183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237905944 + ... + 237957307.

It is an arithmetic number, because the mean of its divisors is an integer number (2291638455819).

Almost surely, 212221120012182 is an apocalyptic number.

12221120012182 is a deficient number, since it is larger than the sum of its proper divisors (6111987634370).

12221120012182 is a wasteful number, since it uses less digits than its factorization.

12221120012182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475876094.

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 12221120012182 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, twelve thousand, one hundred eighty-two".

Divisors: 1 2 12841 25682 475863251 951726502 6110560006091 12221120012182