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20201212100211 = 353181911770519
BaseRepresentation
bin1001001011111011101100…
…00100100011111001110011
32122112012212012112021001120
410211331312010203321303
510121434040244201321
6110544150403433323
74153326603451512
oct445756604437163
978465765467046
1020201212100211
11648931664a04a
122323169085843
13b36c73772b6c
144dba5b2dc679
1525072e935ec6
hex125f76123e73

20201212100211 has 32 divisors (see below), whose sum is σ = 27625102202880. Its totient is φ = 13125928233600.

The previous prime is 20201212100077. The next prime is 20201212100273. The reversal of 20201212100211 is 11200121210202.

It is not a de Polignac number, because 20201212100211 - 29 = 20201212099699 is a prime.

It is a super-2 number, since 2×202012121002112 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201212104211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25832410 + ... + 26602928.

It is an arithmetic number, because the mean of its divisors is an integer number (863284443840).

Almost surely, 220201212100211 is an apocalyptic number.

20201212100211 is a deficient number, since it is larger than the sum of its proper divisors (7423890102669).

20201212100211 is a wasteful number, since it uses less digits than its factorization.

20201212100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771667.

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

Adding to 20201212100211 its reverse (11200121210202), we get a palindrome (31401333310413).

The spelling of 20201212100211 in words is "twenty trillion, two hundred one billion, two hundred twelve million, one hundred thousand, two hundred eleven".

Divisors: 1 3 53 159 181 543 911 2733 9593 28779 48283 144849 164891 494673 770519 2311557 8739223 26217669 40837507 122512521 139463939 418391817 701942809 2105828427 7391588767 22174766301 37202968877 111608906631 127051648429 381154945287 6733737366737 20201212100211