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120121220012210 = 2531243887327721
BaseRepresentation
bin11011010011111111100110…
…101001100001100010110010
3120202022110212100121200120022
4123103333212221201202302
5111221031224310342320
61103250532054243442
734205320545244364
oct3323774651414262
9522273770550508
10120121220012210
113530213a16358a
1211580369656582
1352044c82c4351
142193c80434d34
15dd496679b325
hex6d3fe6a618b2

120121220012210 has 96 divisors (see below), whose sum is σ = 228872172710016. Its totient is φ = 45365833900800.

The previous prime is 120121220012153. The next prime is 120121220012281. The reversal of 120121220012210 is 12210022121021.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366371150 + ... + 366698870.

It is an arithmetic number, because the mean of its divisors is an integer number (2384085132396).

Almost surely, 2120121220012210 is an apocalyptic number.

120121220012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121220012210 is a deficient number, since it is larger than the sum of its proper divisors (108750952697806).

120121220012210 is a wasteful number, since it uses less digits than its factorization.

120121220012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328720 (or 328689 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121220012210 its reverse (12210022121021), we get a palindrome (132331242133231).

The spelling of 120121220012210 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 31 43 62 86 155 215 310 430 887 961 1333 1774 1922 2666 4435 4805 6665 8870 9610 13330 27497 38141 41323 54994 76282 82646 137485 190705 206615 274970 327721 381410 413230 655442 852407 1182371 1638605 1704814 2364742 3277210 4262035 5911855 8524070 10159351 11823710 14092003 20318702 28184006 36653501 50796755 70460015 73307002 101593510 140920030 183267505 290688527 314939881 366535010 436852093 581377054 629879762 873704186 1453442635 1574699405 2184260465 2906885270 3149398810 4368520930 9011344337 12499606661 13542414883 18022688674 24999213322 27084829766 45056721685 62498033305 67712074415 90113443370 124996066610 135424148830 279351674447 387487806491 558703348894 774975612982 1396758372235 1937439032455 2793516744470 3874878064910 12012122001221 24024244002442 60060610006105 120121220012210