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12210221120202 = 2327104639261829
BaseRepresentation
bin1011000110101110100111…
…1001000111101011001010
31121020021201022012111022100
42301223221321013223022
53100023013101321302
641545144222134230
72400105443031540
oct261535171075312
947207638174270
1012210221120202
113988364558986
12145250a421376
136a755a469781
14302d99341d90
1516293887ed1c
hexb1ae9e47aca

12210221120202 has 48 divisors (see below), whose sum is σ = 30237726205440. Its totient is φ = 3488300803296.

The previous prime is 12210221120189. The next prime is 12210221120221. The reversal of 12210221120202 is 20202112201221.

It is a happy number.

12210221120202 is a `hidden beast` number, since 1 + 221 + 0 + 221 + 1 + 20 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3312577 + ... + 5949252.

It is an arithmetic number, because the mean of its divisors is an integer number (629952629280).

Almost surely, 212210221120202 is an apocalyptic number.

12210221120202 is an abundant number, since it is smaller than the sum of its proper divisors (18027505085238).

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

12210221120202 is a wasteful number, since it uses less digits than its factorization.

12210221120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272307 (or 9272304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12210221120202 its reverse (20202112201221), we get a palindrome (32412333321423).

The spelling of 12210221120202 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 10463 20926 31389 62778 73241 94167 146482 188334 219723 439446 659169 1318338 9261829 18523658 27785487 55570974 64832803 83356461 129665606 166712922 194498409 388996818 583495227 1166990454 96906516827 193813033654 290719550481 581439100962 678345617789 872158651443 1356691235578 1744317302886 2035036853367 4070073706734 6105110560101 12210221120202