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12221020102203 = 3211713115590537
BaseRepresentation
bin1011000111010110110110…
…0011111101111000111011
31121021022120220101121200200
42301311231203331320323
53100212122121232303
641554131545533243
72400640161620223
oct261655543757073
947238526347620
1012221020102203
1139919a62789a0
121454622aa4223
136a858b841653
14303701647083
15162d6b9633a3
hexb1d6d8fde3b

12221020102203 has 48 divisors (see below), whose sum is σ = 19591391918592. Its totient is φ = 7278877872000.

The previous prime is 12221020102199. The next prime is 12221020102243. The reversal of 12221020102203 is 30220102012221.

It is not a de Polignac number, because 12221020102203 - 22 = 12221020102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221020102243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609250 + ... + 4981287.

It is an arithmetic number, because the mean of its divisors is an integer number (408153998304).

Almost surely, 212221020102203 is an apocalyptic number.

12221020102203 is a deficient number, since it is larger than the sum of its proper divisors (7370371816389).

12221020102203 is a wasteful number, since it uses less digits than its factorization.

12221020102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590936 (or 5590933 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12221020102203 its reverse (30220102012221), we get a palindrome (42441122114424).

The spelling of 12221020102203 in words is "twelve trillion, two hundred twenty-one billion, twenty million, one hundred two thousand, two hundred three".

Divisors: 1 3 9 11 33 71 99 213 311 639 781 933 2343 2799 3421 7029 10263 22081 30789 66243 198729 242891 728673 2186019 5590537 16771611 50314833 61495907 184487721 396928127 553463163 1190784381 1738657007 3572353143 4366209397 5215971021 13098628191 15647913063 19125227077 39295884573 57375681231 123444647497 172127043693 370333942491 1111001827473 1357891122467 4073673367401 12221020102203