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12110212120220 = 225605510606011
BaseRepresentation
bin1011000000111010000011…
…1001000011111010011100
31120212201120111121220101222
42300032200321003322130
53041403203300321340
641431204334152512
72356635226410164
oct260164071037234
946781514556358
1012110212120220
113949a04035a85
121437059652738
1369acacb286c6
142dc1cd01b5a4
151600339688b5
hexb03a0e43e9c

12110212120220 has 12 divisors (see below), whose sum is σ = 25431445452504. Its totient is φ = 4844084848080.

The previous prime is 12110212120213. The next prime is 12110212120283. The reversal of 12110212120220 is 2202121201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302755302986 + ... + 302755303025.

It is an arithmetic number, because the mean of its divisors is an integer number (2119287121042).

Almost surely, 212110212120220 is an apocalyptic number.

12110212120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110212120220 is an abundant number, since it is smaller than the sum of its proper divisors (13321233332284).

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

12110212120220 is a wasteful number, since it uses less digits than its factorization.

12110212120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605510606020 (or 605510606018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12110212120220 its reverse (2202121201121), we get a palindrome (14312333321341).

The spelling of 12110212120220 in words is "twelve trillion, one hundred ten billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 605510606011 1211021212022 2422042424044 3027553030055 6055106060110 12110212120220