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12021230021233 = 192197235171899
BaseRepresentation
bin1010111011101110100100…
…1001010010101001110001
31120120012220012002220222011
42232323221021102221301
53033423434341134413
641322250555042521
72350335200142106
oct256735111225161
946505805086864
1012021230021233
1139151a1a54aa4
121421965740441
1369279bb70524
142d7b8b3aaaad
1515ca76b5733d
hexaeee9252a71

12021230021233 has 24 divisors (see below), whose sum is σ = 12757229654400. Its totient is φ = 11325746829600.

The previous prime is 12021230021201. The next prime is 12021230021327. The reversal of 12021230021233 is 33212003212021.

It is not a de Polignac number, because 12021230021233 - 25 = 12021230021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021230921233) 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 23 ways as a sum of consecutive naturals, for example, 167160118 + ... + 167232016.

It is an arithmetic number, because the mean of its divisors is an integer number (531551235600).

Almost surely, 212021230021233 is an apocalyptic number.

It is an amenable number.

12021230021233 is a deficient number, since it is larger than the sum of its proper divisors (735999633167).

12021230021233 is a wasteful number, since it uses less digits than its factorization.

12021230021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74485 (or 74466 counting only the distinct ones).

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

Adding to 12021230021233 its reverse (33212003212021), we get a palindrome (45233233233254).

The spelling of 12021230021233 in words is "twelve trillion, twenty-one billion, two hundred thirty million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 19 197 361 2351 3743 44669 71117 71899 463147 848711 1366081 8799793 14164103 25955539 167196067 169034549 269117957 3211656431 5113241183 33299806153 61021472189 632696316907 12021230021233