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12211010212210 = 25101167409177007
BaseRepresentation
bin1011000110110001100011…
…1011010001000101110010
31121020100202022000112001021
42301230120323101011302
53100031122103242320
641545354411130054
72400134134144405
oct261543073210562
947210668015037
1012211010212210
113988729a19437
1214526aa74392a
136a7654aa0714
1430303206bd3c
15162982c9edaa
hexb1b18ed1172

12211010212210 has 64 divisors (see below), whose sum is σ = 22385083069440. Its totient is φ = 4795304947200.

The previous prime is 12211010212127. The next prime is 12211010212229. The reversal of 12211010212210 is 1221201011221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68897527 + ... + 69074533.

It is an arithmetic number, because the mean of its divisors is an integer number (349766922960).

Almost surely, 212211010212210 is an apocalyptic number.

12211010212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211010212210 is a deficient number, since it is larger than the sum of its proper divisors (10174072857230).

12211010212210 is a wasteful number, since it uses less digits than its factorization.

12211010212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177691.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211010212210 its reverse (1221201011221), we get a palindrome (13432211223431).

The spelling of 12211010212210 in words is "twelve trillion, two hundred eleven billion, ten million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 101 167 202 334 409 505 818 835 1010 1670 2045 4090 16867 33734 41309 68303 82618 84335 136606 168670 177007 206545 341515 354014 413090 683030 885035 1770070 6898603 13797206 17877707 29560169 34493015 35755414 59120338 68986030 72395863 89388535 144791726 147800845 178777070 295601690 361979315 723958630 2985577069 5971154138 7311982163 12090109121 14623964326 14927885345 24180218242 29855770690 36559910815 60450545605 73119821630 120901091210 1221101021221 2442202042442 6105505106105 12211010212210