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121010010110212 = 22177973163705919
BaseRepresentation
bin11011100000111011010110…
…101010101011100100000100
3120212110102222122222202011011
4123200323112222223210010
5111330112000042011322
61105211121534452004
734326453600364036
oct3340732652534404
9525412878882134
10121010010110212
1135615069a8a063
12116a4673664004
13526a26c512742
1421c4cb6b0bc56
15decb34ac5677
hex6e0ed6aab904

121010010110212 has 48 divisors (see below), whose sum is σ = 224577062922240. Its totient is φ = 56856375101952.

The previous prime is 121010010110183. The next prime is 121010010110221. The reversal of 121010010110212 is 212011010010121.

It is a happy number.

It is a super-2 number, since 2×1210100101102122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121010010110192 and 121010010110201.

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 15 ways as a sum of consecutive naturals, for example, 171068989 + ... + 171774907.

It is an arithmetic number, because the mean of its divisors is an integer number (4678688810880).

Almost surely, 2121010010110212 is an apocalyptic number.

It is an amenable number.

121010010110212 is a deficient number, since it is larger than the sum of its proper divisors (103567052812028).

121010010110212 is a wasteful number, since it uses less digits than its factorization.

121010010110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709900 (or 709898 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121010010110212 its reverse (212011010010121), we get a palindrome (333021020120333).

The spelling of 121010010110212 in words is "one hundred twenty-one trillion, ten billion, ten million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 797 1594 3163 3188 6326 12652 13549 27098 53771 54196 107542 215084 705919 1411838 2520911 2823676 5041822 10083644 12000623 24001246 42855487 48002492 85710974 171421948 562617443 1125234886 2232821797 2250469772 4465643594 8931287188 9564496531 19128993062 37957970549 38257986124 75915941098 151831882196 1779558972209 3559117944418 7118235888836 30252502527553 60505005055106 121010010110212