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12422188581081 = 328123336316199
BaseRepresentation
bin1011010011000100010000…
…1000110100000011011001
31121222112211200101011212120
42310301010020310003121
53112011120234043311
642230401420331453
72421321261520206
oct264610410640331
947875750334776
1012422188581081
113a5a247676614
1214876059a3b89
136c153ac69836
1430d3469b0cad
151681e2798706
hexb4c442340d9

12422188581081 has 16 divisors (see below), whose sum is σ = 16628988182400. Its totient is φ = 8248449292160.

The previous prime is 12422188581059. The next prime is 12422188581113. The reversal of 12422188581081 is 18018588122421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12422188581081 - 211 = 12422188579033 is a prime.

It is a super-2 number, since 2×124221885810812 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12422188586081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191381 + ... + 5124818.

It is an arithmetic number, because the mean of its divisors is an integer number (1039311761400).

Almost surely, 212422188581081 is an apocalyptic number.

It is an amenable number.

12422188581081 is a deficient number, since it is larger than the sum of its proper divisors (4206799601319).

12422188581081 is a wasteful number, since it uses less digits than its factorization.

12422188581081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318816.

The product of its (nonzero) digits is 655360, while the sum is 51.

The spelling of 12422188581081 in words is "twelve trillion, four hundred twenty-two billion, one hundred eighty-eight million, five hundred eighty-one thousand, eighty-one".

Divisors: 1 3 281 843 2333 6999 655573 1966719 6316199 18948597 1774851919 5324555757 14735692267 44207076801 4140729527027 12422188581081