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121311122122310 = 25471031250347983
BaseRepresentation
bin11011100101010011110010…
…010101110110011001000110
3120220112020012200100211201112
4123211103302111312121012
5111400030134230403220
61110001320554125022
734360303460302241
oct3345236225663106
9526466180324645
10121311122122310
113572083795551a
1211732aa9420772
13528c788839673
1421d56bd7d8258
15e058a9bde5c5
hex6e54f2576646

121311122122310 has 32 divisors (see below), whose sum is σ = 223222279237632. Its totient is φ = 47445949548640.

The previous prime is 121311122122259. The next prime is 121311122122343. The reversal of 121311122122310 is 13221221113121.

121311122122310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1213111221223102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124689422 + ... + 125658561.

It is an arithmetic number, because the mean of its divisors is an integer number (6975696226176).

Almost surely, 2121311122122310 is an apocalyptic number.

121311122122310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311122122310 is a deficient number, since it is larger than the sum of its proper divisors (101911157115322).

121311122122310 is a wasteful number, since it uses less digits than its factorization.

121311122122310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250349068.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 121311122122310 its reverse (13221221113121), we get a palindrome (134532343235431).

The spelling of 121311122122310 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 5 10 47 94 235 470 1031 2062 5155 10310 48457 96914 242285 484570 250347983 500695966 1251739915 2503479830 11766355201 23532710402 58831776005 117663552010 258108770473 516217540946 1290543852365 2581087704730 12131112212231 24262224424462 60655561061155 121311122122310