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12221021302330 = 258354192717129
BaseRepresentation
bin1011000111010110110110…
…1000100010111000111010
31121021022120222122120221211
42301311231220202320322
53100212122423133310
641554132031353334
72400640205046151
oct261655550427072
947238528576854
1012221021302330
1139919a6a18635
12145462338284a
136a858bb71999
1430370187a598
15162d6baedc8a
hexb1d6da22e3a

12221021302330 has 32 divisors (see below), whose sum is σ = 22266989035200. Its totient is φ = 4828619037312.

The previous prime is 12221021302267. The next prime is 12221021302337. The reversal of 12221021302330 is 3320312012221.

It is not an unprimeable number, because it can be changed into a prime (12221021302337) 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 15 ways as a sum of consecutive naturals, for example, 3139206 + ... + 5856334.

It is an arithmetic number, because the mean of its divisors is an integer number (695843407350).

Almost surely, 212221021302330 is an apocalyptic number.

12221021302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221021302330 is a deficient number, since it is larger than the sum of its proper divisors (10045967732870).

12221021302330 is a wasteful number, since it uses less digits than its factorization.

12221021302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722638.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12221021302330 its reverse (3320312012221), we get a palindrome (15541333314551).

The spelling of 12221021302330 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 5419 10838 27095 54190 449777 899554 2248885 2717129 4497770 5434258 13585645 27171290 225521707 451043414 1127608535 2255217070 14724122051 29448244102 73620610255 147241220510 1222102130233 2444204260466 6110510651165 12221021302330