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12020220110 = 252177355207
BaseRepresentation
bin10110011000111011…
…00000000011001110
31011000201011110010102
423030131200003032
5144104134020420
65304431011102
7603605120333
oct131435400316
934021143112
1012020220110
115109112308
1223b5669a92
1311973c41a2
148205a298a
154a5416a75
hex2cc7600ce

12020220110 has 16 divisors (see below), whose sum is σ = 21637781856. Its totient is φ = 4807780128.

The previous prime is 12020220089. The next prime is 12020220131. The reversal of 12020220110 is 1102202021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12020220089) and next prime (12020220131).

It is a junction number, because it is equal to n+sod(n) for n = 12020220091 and 12020220100.

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, 190127 + ... + 245333.

It is an arithmetic number, because the mean of its divisors is an integer number (1352361366).

Almost surely, 212020220110 is an apocalyptic number.

12020220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020220110 is a deficient number, since it is larger than the sum of its proper divisors (9617561746).

12020220110 is a wasteful number, since it uses less digits than its factorization.

12020220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76987.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020220110 its reverse (1102202021), we get a palindrome (13122422131).

The spelling of 12020220110 in words is "twelve billion, twenty million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 21773 43546 55207 108865 110414 217730 276035 552070 1202022011 2404044022 6010110055 12020220110