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12022212233221 = 471207321187091
BaseRepresentation
bin1010111011110010001110…
…1100001000100000000101
31120120022102122022110111221
42232330203230020200011
53033432442312430341
641322532243200341
72350401424615651
oct256744354104005
946508378273457
1012022212233221
113915656429443
121421b9a6760b1
136928c74c0058
142d7c41a07a61
1515cad2ec2ed1
hexaef23b08805

12022212233221 has 8 divisors (see below), whose sum is σ = 12279021542784. Its totient is φ = 11765445322080.

The previous prime is 12022212233219. The next prime is 12022212233233. The reversal of 12022212233221 is 12233221222021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022212233221 - 21 = 12022212233219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022212233201) 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 7 ways as a sum of consecutive naturals, for example, 10026115 + ... + 11160976.

It is an arithmetic number, because the mean of its divisors is an integer number (1534877692848).

Almost surely, 212022212233221 is an apocalyptic number.

It is an amenable number.

12022212233221 is a deficient number, since it is larger than the sum of its proper divisors (256809309563).

12022212233221 is a wasteful number, since it uses less digits than its factorization.

12022212233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199211.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12022212233221 its reverse (12233221222021), we get a palindrome (24255433455242).

The spelling of 12022212233221 in words is "twelve trillion, twenty-two billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 47 12073 567431 21187091 995793277 255791749643 12022212233221