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20202010001212 = 22131511639740193
BaseRepresentation
bin1001001011111101001011…
…01000010011111100111100
32122112021220210220211110111
410211332211220103330330
510121442204030014322
6110544401505315404
74153355432503504
oct445764550237474
978467823824414
1020202010001212
116489695a86966
122323350335b64
13b3706cb6c530
144dbad527ca04
152507799e6177
hex125fa5a13f3c

20202010001212 has 48 divisors (see below), whose sum is σ = 38105119749312. Its totient is φ = 9316145479680.

The previous prime is 20202010001189. The next prime is 20202010001213. The reversal of 20202010001212 is 21210001020202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20202010001192 and 20202010001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202010001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502604988 + ... + 502645180.

It is an arithmetic number, because the mean of its divisors is an integer number (793856661444).

Almost surely, 220202010001212 is an apocalyptic number.

It is an amenable number.

20202010001212 is a deficient number, since it is larger than the sum of its proper divisors (17903109748100).

20202010001212 is a wasteful number, since it uses less digits than its factorization.

20202010001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48118 (or 48116 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202010001212 its reverse (21210001020202), we get a palindrome (41412011021414).

The spelling of 20202010001212 in words is "twenty trillion, two hundred two billion, ten million, one thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 1511 3022 6044 6397 12794 19643 25588 39286 40193 78572 80386 83161 160772 166322 332644 522509 1045018 2090036 9665867 19331734 38663468 60731623 121463246 125656271 242926492 251312542 257114621 502625084 514229242 789511099 1028458484 1579022198 3158044396 3342490073 6684980146 13369960292 388500192331 777000384662 1554000769324 5050502500303 10101005000606 20202010001212