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10201212211112 = 23131719303679811
BaseRepresentation
bin1001010001110010011110…
…1000010100111110101000
31100010020010000111122100122
42110130213220110332220
52314114040311223422
633410212221022412
72102004356045426
oct224344750247650
940106100448318
1010201212211112
11328334539138a
1211890913b4a08
1358cc7c655c80
14273a541dc116
1512a554a15d42
hex94727a14fa8

10201212211112 has 64 divisors (see below), whose sum is σ = 22958193787200. Its totient is φ = 4198069693440.

The previous prime is 10201212211051. The next prime is 10201212211121. The reversal of 10201212211112 is 21111221210201.

It is a super-2 number, since 2×102012122111122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 151806314 + ... + 151873497.

It is an arithmetic number, because the mean of its divisors is an integer number (358721777925).

Almost surely, 210201212211112 is an apocalyptic number.

It is an amenable number.

10201212211112 is an abundant number, since it is smaller than the sum of its proper divisors (12756981576088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201212211112 is a wasteful number, since it uses less digits than its factorization.

10201212211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303679866 (or 303679862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10201212211112 its reverse (21111221210201), we get a palindrome (31312433421313).

The spelling of 10201212211112 in words is "ten trillion, two hundred one billion, two hundred twelve million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 17 19 26 34 38 52 68 76 104 136 152 221 247 323 442 494 646 884 988 1292 1768 1976 2584 4199 8398 16796 33592 303679811 607359622 1214719244 2429438488 3947837543 5162556787 5769916409 7895675086 10325113574 11539832818 15791350172 20650227148 23079665636 31582700344 41300454296 46159331272 67113238231 75008913317 98088578953 134226476462 150017826634 196177157906 268452952924 300035653268 392354315812 536905905848 600071306536 784708631624 1275151526389 2550303052778 5100606105556 10201212211112