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10212012121222 = 217794581782981
BaseRepresentation
bin1001010010011010101101…
…0110101101110010000110
31100011020222200102220212101
42110212223112231302012
52314303200100334342
633415200020342314
72102536115551012
oct224465326556206
940136880386771
1010212012121222
11328798768572a
12118b1a624499a
13590cb0c94422
1427439a6a5542
1512a987c2e3b7
hex949ab5adc86

10212012121222 has 32 divisors (see below), whose sum is σ = 16424939272320. Its totient is φ = 4744660976640.

The previous prime is 10212012121193. The next prime is 10212012121277. The reversal of 10212012121222 is 22212121021201.

10212012121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10212012121222.

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, 123022972 + ... + 123105952.

It is an arithmetic number, because the mean of its divisors is an integer number (513279352260).

Almost surely, 210212012121222 is an apocalyptic number.

10212012121222 is a deficient number, since it is larger than the sum of its proper divisors (6212927151098).

10212012121222 is a wasteful number, since it uses less digits than its factorization.

10212012121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128896.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212012121222 its reverse (22212121021201), we get a palindrome (32424133142423).

The spelling of 10212012121222 in words is "ten trillion, two hundred twelve billion, twelve million, one hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 17 34 79 158 1343 2686 45817 82981 91634 165962 778889 1410677 1557778 2821354 3619543 6555499 7239086 13110998 61532231 111443483 123064462 222886966 3801940477 7603880954 64632988109 129265976218 300353297683 600706595366 5106006060611 10212012121222