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20100212012001 = 31131109311579613
BaseRepresentation
bin1001001000111111100011…
…11111110011001111100001
32122011120011100001011200210
410210133301333303033201
510113310213233341001
6110425524313204333
74143122664044112
oct444376177631741
978146140034623
1020100212012001
11644a4a773a970
1223076804006a9
13b2a5989c5064
144d6bd950a209
1524ccbc9eddd6
hex1247f1ff33e1

20100212012001 has 64 divisors (see below), whose sum is σ = 30554653409280. Its totient is φ = 11643245856000.

The previous prime is 20100212011987. The next prime is 20100212012003. The reversal of 20100212012001 is 10021021200102.

It is not a de Polignac number, because 20100212012001 - 218 = 20100211749857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100212012003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34388871 + ... + 34968483.

It is an arithmetic number, because the mean of its divisors is an integer number (477416459520).

Almost surely, 220100212012001 is an apocalyptic number.

It is an amenable number.

20100212012001 is a deficient number, since it is larger than the sum of its proper divisors (10454441397279).

20100212012001 is a wasteful number, since it uses less digits than its factorization.

20100212012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580078.

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

Adding to 20100212012001 its reverse (10021021200102), we get a palindrome (30121233212103).

The spelling of 20100212012001 in words is "twenty trillion, one hundred billion, two hundred twelve million, twelve thousand, one".

Divisors: 1 3 11 31 33 93 109 311 327 341 933 1023 1199 3379 3421 3597 9641 10137 10263 28923 33899 37169 101697 106051 111507 318153 372889 579613 1050869 1118667 1738839 3152607 6375743 11559559 17968003 19127229 34678677 53904009 63177817 180259643 189533451 197648033 540778929 592944099 694955987 1958512327 1982856073 2084867961 5588048933 5875536981 5948568219 16764146799 19648301087 21543635597 58944903261 61468538263 64630906791 184405614789 216131311957 609097333697 648393935871 1827292001091 6700070670667 20100212012001