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12302020111 = 415328120147
BaseRepresentation
bin10110111010100000…
…11110111000001111
31011202100102101001111
423131100132320033
5200143304120421
65352414552451
7613566305563
oct133520367017
934670371044
1012302020111
115243195877
122473b08727
1312108bbc54
14849b996a3
154c002cee1
hex2dd41ee0f

12302020111 has 16 divisors (see below), whose sum is σ = 12886177248. Its totient is φ = 11733030400.

The previous prime is 12302020091. The next prime is 12302020163. The reversal of 12302020111 is 11102020321.

It is a cyclic number.

It is not a de Polignac number, because 12302020111 - 231 = 10154536463 is a prime.

It is a super-2 number, since 2×123020201112 (a number of 21 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 = 12302020091 and 12302020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302026111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600540 + ... + 620686.

It is an arithmetic number, because the mean of its divisors is an integer number (805386078).

Almost surely, 212302020111 is an apocalyptic number.

12302020111 is a deficient number, since it is larger than the sum of its proper divisors (584157137).

12302020111 is a wasteful number, since it uses less digits than its factorization.

12302020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20522.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12302020111 its reverse (11102020321), we get a palindrome (23404040432).

The spelling of 12302020111 in words is "twelve billion, three hundred two million, twenty thousand, one hundred eleven".

Divisors: 1 41 53 281 2173 11521 14893 20147 610613 826027 1067791 5661307 43779431 232113587 300049271 12302020111