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10201012121212 = 221110119344926489
BaseRepresentation
bin1001010001110001101110…
…1101000010111001111100
31100010012121002000000121121
42110130123231002321330
52314113133100334322
633410140312240324
72101666406235103
oct224343355027174
940105532000547
1010201012121212
113283252447930
1211890363a00a4
1358cc4a069a93
14273a357d503a
1512a54218eec7
hex9471bb42e7c

10201012121212 has 96 divisors (see below), whose sum is σ = 19814159736000. Its totient is φ = 4556783616000.

The previous prime is 10201012121171. The next prime is 10201012121239. The reversal of 10201012121212 is 21212121010201.

It is a super-2 number, since 2×102010121212122 (a number of 27 digits) contains 22 as substring.

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, 385090464 + ... + 385116952.

It is an arithmetic number, because the mean of its divisors is an integer number (206397497250).

Almost surely, 210201012121212 is an apocalyptic number.

It is an amenable number.

10201012121212 is a deficient number, since it is larger than the sum of its proper divisors (9613147614788).

10201012121212 is a wasteful number, since it uses less digits than its factorization.

10201012121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27247 (or 27245 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10201012121212 its reverse (21212121010201), we get a palindrome (31413133131413).

The spelling of 10201012121212 in words is "ten trillion, two hundred one billion, twelve million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 101 193 202 386 404 449 772 898 1111 1796 2123 2222 4246 4444 4939 8492 9878 19493 19756 26489 38986 45349 52978 77972 86657 90698 105956 173314 181396 214423 291379 346628 428846 498839 582758 857692 953227 997678 1165516 1906454 1995356 2675389 3812908 5112377 5350778 8752357 10224754 10701556 11893561 17504714 20449508 23787122 29429279 35009428 47574244 56236147 58858558 96275927 112472294 117717116 130829171 192551854 224944588 261658342 385103708 516350077 523316684 1032700154 1201249661 2065400308 2295457273 2402499322 4590914546 4804998644 5679850847 9181829092 11359701694 13213746271 22719403388 25250030003 26427492542 50500060006 52854985084 101000120012 231841184573 463682369146 927364738292 2550253030303 5100506060606 10201012121212