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12112002202220 = 225605600110111
BaseRepresentation
bin1011000001000000101110…
…0101101011101001101100
31120212220012020222111021022
42300100023211223221230
53041420340030432340
641432102121553312
72360030464016144
oct260201345535154
946786166874238
1012112002202220
11394a742536098
121437479045838
1369b20695531b
142dc31ca71924
151600dabb33b5
hexb040b96ba6c

12112002202220 has 12 divisors (see below), whose sum is σ = 25435204624704. Its totient is φ = 4844800880880.

The previous prime is 12112002202187. The next prime is 12112002202241. The reversal of 12112002202220 is 2220220021121.

It is a happy 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, 302800055036 + ... + 302800055075.

It is an arithmetic number, because the mean of its divisors is an integer number (2119600385392).

Almost surely, 212112002202220 is an apocalyptic number.

12112002202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112002202220 is an abundant number, since it is smaller than the sum of its proper divisors (13323202422484).

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

12112002202220 is a wasteful number, since it uses less digits than its factorization.

12112002202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605600110120 (or 605600110118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12112002202220 its reverse (2220220021121), we get a palindrome (14332222223341).

The spelling of 12112002202220 in words is "twelve trillion, one hundred twelve billion, two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 605600110111 1211200220222 2422400440444 3028000550555 6056001101110 12112002202220