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12211042210 = 257175122901
BaseRepresentation
bin10110101111101010…
…11011011110100010
31011112000020012211121
423113311123132202
5200002011322320
65335405002454
7611413101103
oct132765333642
934460205747
1012211042210
1151a68a6824
12244955342a
1311c7ab6b83
1483ba763aa
154b705b8aa
hex2d7d5b7a2

12211042210 has 32 divisors (see below), whose sum is σ = 22320105984. Its totient is φ = 4809000000.

The previous prime is 12211042199. The next prime is 12211042229. The reversal of 12211042210 is 1224011221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521760 + ... + 544660.

It is an arithmetic number, because the mean of its divisors is an integer number (697503312).

Almost surely, 212211042210 is an apocalyptic number.

12211042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211042210 is a deficient number, since it is larger than the sum of its proper divisors (10109063774).

12211042210 is a wasteful number, since it uses less digits than its factorization.

12211042210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12211042210 its reverse (1224011221), we get a palindrome (13435053431).

The spelling of 12211042210 in words is "twelve billion, two hundred eleven million, forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 71 142 355 710 751 1502 3755 7510 22901 45802 53321 106642 114505 229010 266605 533210 1625971 3251942 8129855 16259710 17198651 34397302 85993255 171986510 1221104221 2442208442 6105521105 12211042210