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12022110221 = 112902337657
BaseRepresentation
bin10110011001001001…
…01101100000001101
31011000211201110212112
423030210231200031
5144110130011341
65304535313405
7603630152012
oct131444554015
934024643775
1012022110221
11510a193390
1223b621b865
1311979065b4
14820935709
154a568baeb
hex2cc92d80d

12022110221 has 8 divisors (see below), whose sum is σ = 13115829504. Its totient is φ = 10928524320.

The previous prime is 12022110203. The next prime is 12022110239. The reversal of 12022110221 is 12201122021.

It is an interprime number because it is at equal distance from previous prime (12022110203) and next prime (12022110239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12022110221 - 26 = 12022110157 is a prime.

It is a super-2 number, since 2×120221102212 (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 = 12022110196 and 12022110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022110271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300425 + ... + 338081.

It is an arithmetic number, because the mean of its divisors is an integer number (1639478688).

Almost surely, 212022110221 is an apocalyptic number.

12022110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022110221 is a deficient number, since it is larger than the sum of its proper divisors (1093719283).

12022110221 is a wasteful number, since it uses less digits than its factorization.

12022110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66691.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022110221 its reverse (12201122021), we get a palindrome (24223232242).

The spelling of 12022110221 in words is "twelve billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 29023 37657 319253 414227 1092919111 12022110221