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12121101000210 = 2353776667142433
BaseRepresentation
bin1011000001100010100111…
…1010110101111000010010
31120220202200100222022122110
42300120221322311320102
53042043003324001320
641440205032450150
72360502116355036
oct260305172657022
946822610868573
1012121101000210
113953591577754
121439198249956
1369c026a17c67
142dc9432441c6
1516046e8a85e0
hexb0629eb5e12

12121101000210 has 64 divisors (see below), whose sum is σ = 29877475439232. Its totient is φ = 3144871213056.

The previous prime is 12121101000157. The next prime is 12121101000227. The reversal of 12121101000210 is 1200010112121.

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, 85029154 + ... + 85171586.

It is an arithmetic number, because the mean of its divisors is an integer number (466835553738).

Almost surely, 212121101000210 is an apocalyptic number.

12121101000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121101000210 is an abundant number, since it is smaller than the sum of its proper divisors (17756374439022).

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

12121101000210 is a wasteful number, since it uses less digits than its factorization.

12121101000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219147.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121101000210 its reverse (1200010112121), we get a palindrome (13321111112331).

The spelling of 12121101000210 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 76667 142433 153334 230001 284866 383335 427299 460002 712165 766670 854598 1150005 1424330 2136495 2300010 2836679 4272990 5270021 5673358 8510037 10540042 14183395 15810063 17020074 26350105 28366790 31620126 42550185 52700210 79050315 85100370 158100630 10919910811 21839821622 32759732433 54599554055 65519464866 109199108110 163798662165 327597324330 404036700007 808073400014 1212110100021 2020183500035 2424220200042 4040367000070 6060550500105 12121101000210