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11020201201212 = 2237257510478099
BaseRepresentation
bin1010000001011101011100…
…1011011000111000111100
31110000112001202210000201220
42200113113023120320330
52421023333001414322
635234335513233340
72215116600436560
oct240272713307074
943015052700656
1011020201201212
113569706311425
12129b957102850
1361c27b6b6958
142a15484736a0
151419d9e1a55c
hexa05d72d8e3c

11020201201212 has 48 divisors (see below), whose sum is σ = 29501550355200. Its totient is φ = 3136377434112.

The previous prime is 11020201201183. The next prime is 11020201201231. The reversal of 11020201201212 is 21210210202011.

11020201201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11020201201191 and 11020201201200.

It is a congruent number.

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, 255217462 + ... + 255260637.

It is an arithmetic number, because the mean of its divisors is an integer number (614615632400).

Almost surely, 211020201201212 is an apocalyptic number.

11020201201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11020201201212 is an abundant number, since it is smaller than the sum of its proper divisors (18481349153988).

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

11020201201212 is a wasteful number, since it uses less digits than its factorization.

11020201201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510478370 (or 510478368 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11020201201212 its reverse (21210210202011), we get a palindrome (32230411403223).

The spelling of 11020201201212 in words is "eleven trillion, twenty billion, two hundred one million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 257 514 771 1028 1542 1799 3084 3598 5397 7196 10794 21588 510478099 1020956198 1531434297 2041912396 3062868594 3573346693 6125737188 7146693386 10720040079 14293386772 21440080158 42880160316 131192871443 262385742886 393578614329 524771485772 787157228658 918350100101 1574314457316 1836700200202 2755050300303 3673400400404 5510100600606 11020201201212