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12112100212102 = 2116781671100613
BaseRepresentation
bin1011000001000001000101…
…1011100011110110000110
31120212220110002101220112221
42300100101123203312012
53041421040123241402
641432115542402554
72360033064052222
oct260202133436606
946786402356487
1012112100212102
11394a7928983a0
1214374a5a3045a
1369b221050037
142dc32baa5782
151600e45c3337
hexb04116e3d86

12112100212102 has 32 divisors (see below), whose sum is σ = 20116064496384. Its totient is φ = 5423208146400.

The previous prime is 12112100212039. The next prime is 12112100212109. The reversal of 12112100212102 is 20121200121121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112100212109) by changing a digit.

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, 120332748 + ... + 120433360.

It is an arithmetic number, because the mean of its divisors is an integer number (628627015512).

Almost surely, 212112100212102 is an apocalyptic number.

12112100212102 is a deficient number, since it is larger than the sum of its proper divisors (8003964284282).

12112100212102 is a wasteful number, since it uses less digits than its factorization.

12112100212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182364.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112100212102 its reverse (20121200121121), we get a palindrome (32233300333223).

The spelling of 12112100212102 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 11 22 67 134 737 1474 81671 100613 163342 201226 898381 1106743 1796762 2213486 5471957 6741071 10943914 13482142 60191527 74151781 120383054 148303562 8217164323 16434328646 90388807553 180777615106 550550009641 1101100019282 6056050106051 12112100212102