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20112101200212 = 2237311769870663
BaseRepresentation
bin1001001001010101101101…
…01001011101000101010100
32122012200211220122111211220
410210222312221131011110
510114004040401401322
6110435212143530340
74144023421345320
oct444526651350524
978180756574756
1020112101200212
116454548895a4a
122309a39bb99b0
13b2b741bcbb78
144d7606520980
1524d26668155c
hex124ab6a5d154

20112101200212 has 48 divisors (see below), whose sum is σ = 53804720965632. Its totient is φ = 5727837725280.

The previous prime is 20112101200207. The next prime is 20112101200423. The reversal of 20112101200212 is 21200210121102.

It is a super-2 number, since 2×201121012002122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112101200191 and 20112101200200.

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, 384909208 + ... + 384961455.

It is an arithmetic number, because the mean of its divisors is an integer number (1120931686784).

Almost surely, 220112101200212 is an apocalyptic number.

It is an amenable number.

20112101200212 is an abundant number, since it is smaller than the sum of its proper divisors (33692619765420).

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

20112101200212 is a wasteful number, since it uses less digits than its factorization.

20112101200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769870988 (or 769870986 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112101200212 its reverse (21200210121102), we get a palindrome (41312311321314).

The spelling of 20112101200212 in words is "twenty trillion, one hundred twelve billion, one hundred one million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 311 622 933 1244 1866 2177 3732 4354 6531 8708 13062 26124 769870663 1539741326 2309611989 3079482652 4619223978 5389094641 9238447956 10778189282 16167283923 21556378564 32334567846 64669135692 239429776193 478859552386 718289328579 957719104772 1436578657158 1676008433351 2873157314316 3352016866702 5028025300053 6704033733404 10056050600106 20112101200212