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12112001111210 = 25711131209990121
BaseRepresentation
bin1011000001000000101110…
…0001100001010010101010
31120212220012011221001200112
42300100023201201102222
53041420334241024320
641432102042334322
72360030451523310
oct260201341412252
946786164831615
1012112001111210
11394a741960430
1214374787ba3a2
1369b206662860
142dc31c86a0b0
151600daa49ec5
hexb040b8614aa

12112001111210 has 64 divisors (see below), whose sum is σ = 29272081031424. Its totient is φ = 3484771545600.

The previous prime is 12112001111179. The next prime is 12112001111227. The reversal of 12112001111210 is 1211110021121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604985051 + ... + 605005070.

It is an arithmetic number, because the mean of its divisors is an integer number (457376266116).

Almost surely, 212112001111210 is an apocalyptic number.

12112001111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112001111210 is an abundant number, since it is smaller than the sum of its proper divisors (17160079920214).

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

12112001111210 is a wasteful number, since it uses less digits than its factorization.

12112001111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209990159.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12112001111210 its reverse (1211110021121), we get a palindrome (13323111132331).

The spelling of 12112001111210 in words is "twelve trillion, one hundred twelve billion, one million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 1209990121 2419980242 6049950605 8469930847 12099901210 13309891331 15729871573 16939861694 26619782662 31459743146 42349654235 66549456655 78649357865 84699308470 93169239317 110109101011 133098913310 157298715730 173028587303 186338478634 220218202022 346057174606 465846196585 550545505055 865142936515 931692393170 1101091010110 1211200111121 1730285873030 2422400222242 6056000555605 12112001111210