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12011230202202 = 23271183104410979
BaseRepresentation
bin1010111011001001010100…
…0111000000100101011010
31120112021002021200111002100
42232302111013000211122
53033242444412432302
641313514420144230
72346532324112550
oct256622507004532
946467067614070
1012011230202202
113910a30353a50
12141ba34838076
1369186721754a
142d74bd293bd0
1515c68dcd2d1c
hexaec951c095a

12011230202202 has 96 divisors (see below), whose sum is σ = 32836835566080. Its totient is φ = 3082212070560.

The previous prime is 12011230202183. The next prime is 12011230202233. The reversal of 12011230202202 is 20220203211021.

12011230202202 is a `hidden beast` number, since 1 + 20 + 11 + 230 + 202 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52090452 + ... + 52320527.

It is an arithmetic number, because the mean of its divisors is an integer number (342050370480).

Almost surely, 212011230202202 is an apocalyptic number.

12011230202202 is an abundant number, since it is smaller than the sum of its proper divisors (20825605363878).

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

12011230202202 is a wasteful number, since it uses less digits than its factorization.

12011230202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104411088 (or 104411085 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12011230202202 its reverse (20220203211021), we get a palindrome (32231433413223).

The spelling of 12011230202202 in words is "twelve trillion, eleven billion, two hundred thirty million, two hundred two thousand, two hundred two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 83 99 126 154 166 198 231 249 462 498 581 693 747 913 1162 1386 1494 1743 1826 2739 3486 5229 5478 6391 8217 10458 12782 16434 19173 38346 57519 115038 104410979 208821958 313232937 626465874 730876853 939698811 1148520769 1461753706 1879397622 2192630559 2297041538 3445562307 4385261118 6577891677 6891124614 8039645383 8666111257 10336686921 13155783354 16079290766 17332222514 20673373842 24118936149 25998333771 48237872298 51996667542 60662778799 72356808447 77995001313 95327223827 121325557598 144713616894 155990002626 181988336397 190654447654 285981671481 363976672794 545965009191 571963342962 667290566789 857945014443 1091930018382 1334581133578 1715890028886 2001871700367 4003743400734 6005615101101 12011230202202