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121234241311 = 2631069431213
BaseRepresentation
bin111000011101000011…
…1111011011100011111
3102120221000121120021121
41300322013323130133
53441241431210221
6131405542311411
711521204022401
oct1607207733437
9376830546247
10121234241311
1147462628967
121b5b5128567
13b580b0a181
145c2122ab71
153248506a41
hex1c3a1fb71f

121234241311 has 8 divisors (see below), whose sum is σ = 121809330720. Its totient is φ = 120660016992.

The previous prime is 121234241309. The next prime is 121234241327. The reversal of 121234241311 is 113142432121.

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 121234241311 - 21 = 121234241309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234245311) 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 7 ways as a sum of consecutive naturals, for example, 65541 + ... + 496753.

It is an arithmetic number, because the mean of its divisors is an integer number (15226166340).

Almost surely, 2121234241311 is an apocalyptic number.

121234241311 is a deficient number, since it is larger than the sum of its proper divisors (575089409).

121234241311 is a wasteful number, since it uses less digits than its factorization.

121234241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432545.

The product of its digits is 1152, while the sum is 25.

Adding to 121234241311 its reverse (113142432121), we get a palindrome (234376673432).

The spelling of 121234241311 in words is "one hundred twenty-one billion, two hundred thirty-four million, two hundred forty-one thousand, three hundred eleven".

Divisors: 1 263 1069 281147 431213 113409019 460966697 121234241311