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12010020210012 = 2231128579651533
BaseRepresentation
bin1010111011000100110011…
…1111010000010101011100
31120112010221221212111211210
42232301030333100111130
53033233010133210022
641313154353544420
72346460332256536
oct256611477202534
946463857774753
1012010020210012
11391046a342a00
12141b757575110
13691703634c36
142d74066c2856
1515c61c971a0c
hexaec4cfd055c

12010020210012 has 72 divisors (see below), whose sum is σ = 30838504224528. Its totient is φ = 3635153012480.

The previous prime is 12010020209989. The next prime is 12010020210073. The reversal of 12010020210012 is 21001202001021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12010020210012.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3581403 + ... + 6070130.

It is an arithmetic number, because the mean of its divisors is an integer number (428312558674).

Almost surely, 212010020210012 is an apocalyptic number.

12010020210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010020210012 is an abundant number, since it is smaller than the sum of its proper divisors (18828484014516).

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

12010020210012 is a wasteful number, since it uses less digits than its factorization.

12010020210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652419 (or 9652406 counting only the distinct ones).

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

Adding to 12010020210012 its reverse (21001202001021), we get a palindrome (33011222211033).

The spelling of 12010020210012 in words is "twelve trillion, ten billion, twenty million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 857 1452 1714 2571 3428 5142 9427 10284 18854 28281 37708 56562 103697 113124 207394 311091 414788 622182 1244364 9651533 19303066 28954599 38606132 57909198 106166863 115818396 212333726 318500589 424667452 637001178 1167835493 1274002356 2335670986 3503506479 4671341972 7007012958 8271363781 14014025916 16542727562 24814091343 33085455124 49628182686 90985001591 99256365372 181970003182 272955004773 363940006364 545910009546 1000835017501 1091820019092 2001670035002 3002505052503 4003340070004 6005010105006 12010020210012