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12112010201212 = 2222517481179813
BaseRepresentation
bin1011000001000000110000…
…0100001100100001111100
31120212220012211000212211021
42300100030010030201330
53041420344102414322
641432103005233524
72360030622012625
oct260201404144174
946786184025737
1012112010201212
11394a746aa9929
12143747b8628a4
1369b2084c615c
142dc31db54a4c
151600db7434c7
hexb040c10c87c

12112010201212 has 24 divisors (see below), whose sum is σ = 21208386637872. Its totient is φ = 6052471920000.

The previous prime is 12112010201149. The next prime is 12112010201227. The reversal of 12112010201212 is 21210201021121.

It is a super-2 number, since 2×121120102012122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67269018 + ... + 67448830.

It is an arithmetic number, because the mean of its divisors is an integer number (883682776578).

Almost surely, 212112010201212 is an apocalyptic number.

It is an amenable number.

12112010201212 is a deficient number, since it is larger than the sum of its proper divisors (9096376436660).

12112010201212 is a wasteful number, since it uses less digits than its factorization.

12112010201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189549 (or 189547 counting only the distinct ones).

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

Adding to 12112010201212 its reverse (21210201021121), we get a palindrome (33322211222333).

The spelling of 12112010201212 in words is "twelve trillion, one hundred twelve billion, ten million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 2251 4502 7481 9004 14962 29924 179813 359626 719252 16839731 33679462 67358924 404759063 809518126 1345181053 1619036252 2690362106 5380724212 3028002550303 6056005100606 12112010201212