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12201202222 = 21121910325763
BaseRepresentation
bin10110101110011111…
…11001001000101110
31011111022201021220121
423113033321020232
5144442001432342
65334414035154
7611233336066
oct132717711056
934438637817
1012201202222
1151a1295900
1224461a8aba
1311c5a500b1
1483a6343a6
154b6266067
hex2d73f922e

12201202222 has 48 divisors (see below), whose sum is σ = 21382058880. Its totient is φ = 5202893520.

The previous prime is 12201202213. The next prime is 12201202231. The reversal of 12201202222 is 22220210221.

It is an interprime number because it is at equal distance from previous prime (12201202213) and next prime (12201202231).

It is a junction number, because it is equal to n+sod(n) for n = 12201202196 and 12201202205.

It is a congruent number.

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, 460713 + ... + 486475.

It is an arithmetic number, because the mean of its divisors is an integer number (445459560).

Almost surely, 212201202222 is an apocalyptic number.

12201202222 is a deficient number, since it is larger than the sum of its proper divisors (9180856658).

12201202222 is a wasteful number, since it uses less digits than its factorization.

12201202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25909 (or 25898 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12201202222 its reverse (22220210221), we get a palindrome (34421412443).

The spelling of 12201202222 in words is "twelve billion, two hundred one million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 11 19 22 38 103 121 206 209 242 418 1133 1957 2266 2299 3914 4598 12463 21527 24926 25763 43054 51526 236797 283393 473594 489497 566786 978994 2653589 3117323 5307178 5384467 6234646 10768934 29189479 50418191 58378958 59229137 100836382 118458274 321084269 554600101 642168538 1109200202 6100601111 12201202222