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12022221021211 = 29439640915013
BaseRepresentation
bin1010111011110010010000…
…1101101010000000011011
31120120022110020211221101001
42232330210031222000123
53033433002040134321
641322533155405431
72350401562406632
oct256744415520033
946508406757331
1012022221021211
113915660390a45
121421ba15b3877
136928c927904b
142d7c42c54519
1515cad3b5bc91
hexaef2436a01b

12022221021211 has 8 divisors (see below), whose sum is σ = 12726007818480. Its totient is φ = 11337716054112.

The previous prime is 12022221021197. The next prime is 12022221021259. The reversal of 12022221021211 is 11212012222021.

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 12022221021211 - 25 = 12022221021179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022221001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820456260 + ... + 4820458753.

It is an arithmetic number, because the mean of its divisors is an integer number (1590750977310).

Almost surely, 212022221021211 is an apocalyptic number.

12022221021211 is a deficient number, since it is larger than the sum of its proper divisors (703786797269).

12022221021211 is an equidigital number, since it uses as much as digits as its factorization.

12022221021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640915085.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12022221021211 its reverse (11212012222021), we get a palindrome (23234233243232).

The spelling of 12022221021211 in words is "twelve trillion, twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".

Divisors: 1 29 43 1247 9640915013 279586535377 414559345559 12022221021211