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121312033133 = 17107367181721
BaseRepresentation
bin111000011111011000…
…0101011100101101101
3102121010102222210121012
41300332300223211231
53441421340030013
6131421401515005
711523140160614
oct1607660534555
9377112883535
10121312033133
11474a2531025
121b6171a2a65
13b593c76435
145c2b6ba87b
1532502711a8
hex1c3ec2b96d

121312033133 has 16 divisors (see below), whose sum is σ = 130002465024. Its totient is φ = 112800145920.

The previous prime is 121312033127. The next prime is 121312033151. The reversal of 121312033133 is 331330213121.

It is a cyclic number.

It is not a de Polignac number, because 121312033133 - 26 = 121312033069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312033099 and 121312033108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312033103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576713 + ... + 758433.

It is an arithmetic number, because the mean of its divisors is an integer number (8125154064).

Almost surely, 2121312033133 is an apocalyptic number.

It is an amenable number.

121312033133 is a deficient number, since it is larger than the sum of its proper divisors (8690431891).

121312033133 is a wasteful number, since it uses less digits than its factorization.

121312033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182212.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121312033133 its reverse (331330213121), we get a palindrome (452642246254).

The spelling of 121312033133 in words is "one hundred twenty-one billion, three hundred twelve million, thirty-three thousand, one hundred thirty-three".

Divisors: 1 17 107 367 1819 6239 39269 181721 667573 3089257 19444147 66691607 330550499 1133757319 7136001949 121312033133