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20201202121112 = 2312592479380897
BaseRepresentation
bin1001001011111011101010…
…11110011111100110011000
32122112012211111202021022022
410211331311132133212120
510121434030220333422
6110544145405514012
74153326422600105
oct445756536374630
978465744667268
1020201202121112
116489310a53661
122323165872908
13b36c7168a97c
144dba59c61aac
1525072db14342
hex125f7579f998

20201202121112 has 32 divisors (see below), whose sum is σ = 37909336726800. Its totient is φ = 10092046516224.

The previous prime is 20201202121103. The next prime is 20201202121147. The reversal of 20201202121112 is 21112120210202.

It is a super-2 number, since 2×202012021211122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249674648 + ... + 249755544.

Almost surely, 220201202121112 is an apocalyptic number.

It is an amenable number.

20201202121112 is a deficient number, since it is larger than the sum of its proper divisors (17708134605688).

20201202121112 is a wasteful number, since it uses less digits than its factorization.

20201202121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106955 (or 106951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20201202121112 its reverse (21112120210202), we get a palindrome (41313322331314).

The spelling of 20201202121112 in words is "twenty trillion, two hundred one billion, two hundred two million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 1259 2518 5036 10072 24793 49586 80897 99172 161794 198344 323588 647176 31214387 62428774 101849323 124857548 203698646 249715096 407397292 814794584 2005679321 4011358642 8022717284 16045434568 2525150265139 5050300530278 10100601060556 20201202121112