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2122020201210 = 2357133721008021
BaseRepresentation
bin11110111000010010010…
…000101010001011111010
321111212022020101022112120
4132320102100222023322
5234231344132414320
64302502001222110
7306211432046640
oct36702220521372
97455266338476
102122020201210
11748a4209aa88
122a3318331936
1312514b149970
14749c622d190
153a2ea4d6440
hex1ee1242a2fa

2122020201210 has 128 divisors (see below), whose sum is σ = 6437530197504. Its totient is φ = 435622302720.

The previous prime is 2122020201187. The next prime is 2122020201227. The reversal of 2122020201210 is 121020202212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2122020201210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10403001 + ... + 10605020.

It is an arithmetic number, because the mean of its divisors is an integer number (50293204668).

Almost surely, 22122020201210 is an apocalyptic number.

2122020201210 is an abundant number, since it is smaller than the sum of its proper divisors (4315509996294).

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

2122020201210 is a wasteful number, since it uses less digits than its factorization.

2122020201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008088.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122020201210 its reverse (121020202212), we get a palindrome (2243040403422).

The spelling of 2122020201210 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 37 39 42 65 70 74 78 91 105 111 130 182 185 195 210 222 259 273 370 390 455 481 518 546 555 777 910 962 1110 1295 1365 1443 1554 2405 2590 2730 2886 3367 3885 4810 6734 7215 7770 10101 14430 16835 20202 33670 50505 101010 21008021 42016042 63024063 105040105 126048126 147056147 210080210 273104273 294112294 315120315 441168441 546208546 630240630 735280735 777296777 819312819 882336882 1365521365 1470561470 1554593554 1638625638 1911729911 2205842205 2331890331 2731042730 3823459822 3886483885 4096564095 4411684410 4663780662 5441077439 5735189733 7772967770 8193128190 9558649555 10104858101 10882154878 11470379466 11659451655 16323232317 19117299110 20209716202 23318903310 27205387195 28675948665 30314574303 32646464634 50524290505 54410774390 57351897330 60629148606 70734006707 81616161585 101048581010 141468013414 151572871515 163232323170 212202020121 303145743030 353670033535 424404040242 707340067070 1061010100605 2122020201210