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12112112110201 = 1747109157885823
BaseRepresentation
bin1011000001000001001000…
…1000111100101001111001
31120212220110220210101200021
42300100102020330221321
53041421101200011301
641432121045410441
72360033300145445
oct260202210745171
946786426711607
1012112112110201
11394a799584634
1214374a9a09a21
1369b22365782c
142dc32d4c1825
151600e56738a1
hexb041223ca79

12112112110201 has 32 divisors (see below), whose sum is σ = 13301816647680. Its totient is φ = 10984306185216.

The previous prime is 12112112110183. The next prime is 12112112110237. The reversal of 12112112110201 is 10201121121121.

It is a cyclic number.

It is not a de Polignac number, because 12112112110201 - 219 = 12112111585913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112112110261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13230376 + ... + 14116198.

It is an arithmetic number, because the mean of its divisors is an integer number (415681770240).

Almost surely, 212112112110201 is an apocalyptic number.

It is an amenable number.

12112112110201 is a deficient number, since it is larger than the sum of its proper divisors (1189704537479).

12112112110201 is a wasteful number, since it uses less digits than its factorization.

12112112110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886153.

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

Adding to 12112112110201 its reverse (10201121121121), we get a palindrome (22313233231322).

It can be divided in two parts, 121121121 and 10201, that multiplied together give a palindrome (1235556555321).

The spelling of 12112112110201 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, one hundred ten thousand, two hundred one".

Divisors: 1 17 47 109 157 799 1853 2669 5123 7379 17113 87091 125443 290921 804311 885823 13673287 15058991 41633681 96554707 139074211 707772577 1641430019 2364261587 4538071229 6536487917 15159088999 77147210893 111120294589 257704512983 712477182953 12112112110201