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202120112010012 = 223729556091492063
BaseRepresentation
bin101101111101001111000001…
…011110100111001100011100
3222111122111100010102012212220
4231331033001132213030130
5202443013442133310022
61553512410403425340
760400460540131020
oct5575170136471434
9874574303365786
10202120112010012
1159446726a73009
121a804294685250
1388a1ac9c97811
1437ca946656380
15185791bc9a85c
hexb7d3c17a731c

202120112010012 has 96 divisors (see below), whose sum is σ = 557583123148800. Its totient is φ = 55756232243712.

The previous prime is 202120112009971. The next prime is 202120112010013. The reversal of 202120112010012 is 210010211021202.

It is a junction number, because it is equal to n+sod(n) for n = 202120112009973 and 202120112010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120112010013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134717493 + ... + 136209555.

It is an arithmetic number, because the mean of its divisors is an integer number (5808157532800).

Almost surely, 2202120112010012 is an apocalyptic number.

It is an amenable number.

202120112010012 is an abundant number, since it is smaller than the sum of its proper divisors (355463011138788).

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

202120112010012 is a wasteful number, since it uses less digits than its factorization.

202120112010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547715 (or 1547713 counting only the distinct ones).

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

Adding to 202120112010012 its reverse (210010211021202), we get a palindrome (412130323031214).

The spelling of 202120112010012 in words is "two hundred two trillion, one hundred twenty billion, one hundred twelve million, ten thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 2436 55609 111218 166827 222436 333654 389263 667308 778526 1167789 1492063 1557052 1612661 2335578 2984126 3225322 4476189 4671156 4837983 5968252 6450644 8952378 9675966 10444441 11288627 17904756 19351932 20888882 22577254 31333323 33865881 41777764 43269827 45154508 62666646 67731762 86539654 125333292 129809481 135463524 173079308 259618962 302888789 519237924 605777578 908666367 1211555156 1817332734 3634665468 82972131367 165944262734 248916394101 331888525468 497832788202 580804919569 995665576404 1161609839138 1742414758707 2323219678276 2406191809643 3484829517414 4812383619286 6969659034828 7218575428929 9624767238572 14437150857858 16843342667501 28874301715716 33686685335002 50530028002503 67373370670004 101060056005006 202120112010012