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1020201201210 = 235173196570559
BaseRepresentation
bin11101101100010001011…
…10101110111000111010
310121112022120112202220110
432312020232232320322
5113203333001414320
62100401324205150
7133464352062252
oct16661056567072
93545276482813
101020201201210
11363734a88404
1214587b3997b6
137528755b439
1437541344962
151b80eec75e0
hexed88baee3a

1020201201210 has 32 divisors (see below), whose sum is σ = 2462635975680. Its totient is φ = 270481087808.

The previous prime is 1020201201191. The next prime is 1020201201259. The reversal of 1020201201210 is 121021020201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98280090 + ... + 98290469.

It is an arithmetic number, because the mean of its divisors is an integer number (76957374240).

Almost surely, 21020201201210 is an apocalyptic number.

1020201201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020201201210 is an abundant number, since it is smaller than the sum of its proper divisors (1442434774470).

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

1020201201210 is a wasteful number, since it uses less digits than its factorization.

1020201201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196570742.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020201201210 its reverse (121021020201), we get a palindrome (1141222221411).

The spelling of 1020201201210 in words is "one trillion, twenty billion, two hundred one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 173 346 519 865 1038 1730 2595 5190 196570559 393141118 589711677 982852795 1179423354 1965705590 2948558385 5897116770 34006706707 68013413414 102020120121 170033533535 204040240242 340067067070 510100600605 1020201201210