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12020202001111 = 1091559264726723
BaseRepresentation
bin1010111011101010101111…
…0111101101001011010111
31120120010020112201002110211
42232322223313231023113
53033414333203013421
641322000553030251
72350300545126643
oct256725367551327
946503215632424
1012020202001111
113914814733297
1214217193b5387
13692666ba25b5
142d7ad0a47c23
1515ca1678d9e1
hexaeeabded2d7

12020202001111 has 16 divisors (see below), whose sum is σ = 12143300083200. Its totient is φ = 11897343708768.

The previous prime is 12020202001097. The next prime is 12020202001147. The reversal of 12020202001111 is 11110020202021.

It is a cyclic number.

It is not a de Polignac number, because 12020202001111 - 25 = 12020202001079 is a prime.

It is a super-2 number, since 2×120202020011112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020202001091 and 12020202001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020202001811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449793996 + ... + 449820718.

It is an arithmetic number, because the mean of its divisors is an integer number (758956255200).

Almost surely, 212020202001111 is an apocalyptic number.

12020202001111 is a deficient number, since it is larger than the sum of its proper divisors (123098082089).

12020202001111 is a wasteful number, since it uses less digits than its factorization.

12020202001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31038.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020202001111 its reverse (11110020202021), we get a palindrome (23130222203132).

The spelling of 12020202001111 in words is "twelve trillion, twenty billion, two hundred two million, one thousand, one hundred eleven".

Divisors: 1 109 1559 2647 26723 169931 288523 2912807 4126673 41661157 70735781 449807357 4541066113 7710200129 110277082579 12020202001111