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212200222220210 = 257231011304964161
BaseRepresentation
bin110000001111111010110110…
…110111011101111110110010
31000211100010212100010210200102
4300033322312313131332302
5210303142023342021320
62031151234124352402
762460650216165420
oct6017726667357662
91024303770123612
10212200222220210
1161682677438714
121b9719a90a5702
13915351a034a83
143a5878d00c110
15197ec34bcc175
hexc0feb6dddfb2

212200222220210 has 64 divisors (see below), whose sum is σ = 460015526674944. Its totient is φ = 68902107648000.

The previous prime is 212200222220209. The next prime is 212200222220237. The reversal of 212200222220210 is 12022222002212.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652319471 + ... + 652644690.

It is an arithmetic number, because the mean of its divisors is an integer number (7187742604296).

Almost surely, 2212200222220210 is an apocalyptic number.

212200222220210 is an abundant number, since it is smaller than the sum of its proper divisors (247815304454734).

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

212200222220210 is a wasteful number, since it uses less digits than its factorization.

212200222220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304964299.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212200222220210 its reverse (12022222002212), we get a palindrome (224222444222422).

The spelling of 212200222220210 in words is "two hundred twelve trillion, two hundred billion, two hundred twenty-two million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 101 115 161 202 230 322 505 707 805 1010 1414 1610 2323 3535 4646 7070 11615 16261 23230 32522 81305 162610 1304964161 2609928322 6524820805 9134749127 13049641610 18269498254 30014175703 45673745635 60028351406 91347491270 131801380261 150070878515 210099229921 263602760522 300141757030 420198459842 659006901305 922609661827 1050496149605 1318013802610 1845219323654 2100992299210 3031431746003 4613048309135 6062863492006 9226096618270 15157158730015 21220022222021 30314317460030 42440044444042 106100111110105 212200222220210