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12112112020101 = 3173159129848219
BaseRepresentation
bin1011000001000001001000…
…1000100110101010000101
31120212220110220121211002020
42300100102020212222011
53041421101134120401
641432121043433353
72360033266321662
oct260202210465205
946786426554066
1012112112020101
11394a799522975
1214374a9985859
1369b223625812
142dc32d49aa69
151600e5656d36
hexb0412226a85

12112112020101 has 32 divisors (see below), whose sum is σ = 17950217932800. Its totient is φ = 7229948778240.

The previous prime is 12112112020051. The next prime is 12112112020121. The reversal of 12112112020101 is 10102021121121.

It is a happy number.

It is not a de Polignac number, because 12112112020101 - 226 = 12112044911237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112112020121) 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, 64830831 + ... + 65017388.

It is an arithmetic number, because the mean of its divisors is an integer number (560944310400).

Almost surely, 212112112020101 is an apocalyptic number.

It is an amenable number.

12112112020101 is a deficient number, since it is larger than the sum of its proper divisors (5838105912699).

12112112020101 is a wasteful number, since it uses less digits than its factorization.

12112112020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129848329.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112112020101 its reverse (10102021121121), we get a palindrome (22214133141222).

The spelling of 12112112020101 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, twenty thousand, one hundred one".

Divisors: 1 3 17 31 51 59 93 177 527 1003 1581 1829 3009 5487 31093 93279 129848219 389544657 2207419723 4025294789 6622259169 7661044921 12075884367 22983134763 68430011413 130237763657 205290034239 237492392551 390713290971 712477177653 4037370673367 12112112020101