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121321030210232 = 2315165128776279
BaseRepresentation
bin11011100101011101000000…
…111010001101001010111000
3120220120011210012011212011212
4123211131000322031022320
5111400210432213211412
61110010040054542252
734361104140536036
oct3345350072151270
9526504705155155
10121321030210232
1135724a617a2636
12117349b3667988
1352906a7485798
1421d5d7d673556
15e05c89994222
hex6e5740e8d2b8

121321030210232 has 8 divisors (see below), whose sum is σ = 227476931644200. Its totient is φ = 60660515105112.

The previous prime is 121321030210201. The next prime is 121321030210241. The reversal of 121321030210232 is 232012030123121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121321030210198 and 121321030210207.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7582564388132 + ... + 7582564388147.

It is an arithmetic number, because the mean of its divisors is an integer number (28434616455525).

Almost surely, 2121321030210232 is an apocalyptic number.

It is an amenable number.

121321030210232 is a deficient number, since it is larger than the sum of its proper divisors (106155901433968).

121321030210232 is a wasteful number, since it uses less digits than its factorization.

121321030210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165128776285 (or 15165128776281 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121321030210232 its reverse (232012030123121), we get a palindrome (353333060333353).

The spelling of 121321030210232 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, thirty million, two hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 8 15165128776279 30330257552558 60660515105116 121321030210232