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121230103031222 = 27916729322676917
BaseRepresentation
bin11011100100001000010101…
…001110100010110110110110
3120220020111002022122120120012
4123210020111032202312312
5111342213222333444342
61105500201313540222
734351404652344503
oct3344102516426666
9526214068576505
10121230103031222
113569a4417761a9
121171b258274672
135284c46541b93
1421d17d55824aa
15e0371701cb82
hex6e42153a2db6

121230103031222 has 64 divisors (see below), whose sum is σ = 185990799697920. Its totient is φ = 59251647751296.

The previous prime is 121230103031173. The next prime is 121230103031287. The reversal of 121230103031222 is 222130301032121.

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 in 31 ways as a sum of consecutive naturals, for example, 17526395708 + ... + 17526402624.

It is an arithmetic number, because the mean of its divisors is an integer number (2906106245280).

Almost surely, 2121230103031222 is an apocalyptic number.

121230103031222 is a deficient number, since it is larger than the sum of its proper divisors (64760696666698).

121230103031222 is a wasteful number, since it uses less digits than its factorization.

121230103031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725.

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

Adding to 121230103031222 its reverse (222130301032121), we get a palindrome (343360404063343).

The spelling of 121230103031222 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred three million, thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 79 158 167 293 334 586 2267 4534 6917 13193 13834 23147 26386 46294 48931 97862 179093 358186 378589 546443 664231 757178 1092886 1155139 1328462 2026681 2310278 3865549 4053362 7731098 15680839 29908531 31361678 52474249 59817062 91255981 104948498 110926577 160107799 182511962 221853154 320215598 338455727 676911454 1238786281 2477572562 2618700113 4594485827 5237400226 8763199583 9188971654 17526399166 26738002433 53476004866 206877308927 362964380333 413754617854 725928760666 767279133109 1534558266218 60615051515611 121230103031222