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12110020102020 = 22351994910117483
BaseRepresentation
bin1011000000111001010101…
…1100100100011110000100
31120212201002010022100221210
42300032111130210132010
53041402310121231040
641431133314411420
72356630405315311
oct260162534443604
946781063270853
1012110020102020
113949915704955
121437005290b70
1369ac7c107479
142dc1b1715d08
15160021b89480
hexb0395724784

12110020102020 has 48 divisors (see below), whose sum is σ = 33909759374400. Its totient is φ = 3229176494976.

The previous prime is 12110020101961. The next prime is 12110020102051. The reversal of 12110020102020 is 2020102001121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12110020101987 and 12110020102005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861802 + ... + 6255681.

It is an arithmetic number, because the mean of its divisors is an integer number (706453320300).

Almost surely, 212110020102020 is an apocalyptic number.

12110020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110020102020 is an abundant number, since it is smaller than the sum of its proper divisors (21799739272380).

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

12110020102020 is a wasteful number, since it uses less digits than its factorization.

12110020102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137444 (or 10137442 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110020102020 its reverse (2020102001121), we get a palindrome (14130122103141).

The spelling of 12110020102020 in words is "twelve trillion, one hundred ten billion, twenty million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 19949 39898 59847 79796 99745 119694 199490 239388 299235 398980 598470 1196940 10117483 20234966 30352449 40469932 50587415 60704898 101174830 121409796 151762245 202349660 303524490 607048980 201833668367 403667336734 605501005101 807334673468 1009168341835 1211002010202 2018336683670 2422004020404 3027505025505 4036673367340 6055010051010 12110020102020