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12110100220220 = 2253877911561421
BaseRepresentation
bin1011000000111001101000…
…1110001100100100111100
31120212201021201001210110112
42300032122032030210330
53041402441124021340
641431145255525152
72356632400313132
oct260163216144474
946781251053415
1012110100220220
113949956956942
1214370280897b8
1369ac928a95a2
142dc1bc20d752
15160028c13065
hexb039a38c93c

12110100220220 has 24 divisors (see below), whose sum is σ = 25431292329408. Its totient is φ = 4844024494400.

The previous prime is 12110100220147. The next prime is 12110100220249. The reversal of 12110100220220 is 2202200101121.

It is a junction number, because it is equal to n+sod(n) for n = 12110100220195 and 12110100220204.

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, 6975110 + ... + 8536530.

It is an arithmetic number, because the mean of its divisors is an integer number (1059637180392).

Almost surely, 212110100220220 is an apocalyptic number.

12110100220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110100220220 is an abundant number, since it is smaller than the sum of its proper divisors (13321192109188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12110100220220 is a wasteful number, since it uses less digits than its factorization.

12110100220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949221 (or 1949219 counting only the distinct ones).

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

Adding to 12110100220220 its reverse (2202200101121), we get a palindrome (14312300321341).

The spelling of 12110100220220 in words is "twelve trillion, one hundred ten billion, one hundred million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 387791 775582 1551164 1561421 1938955 3122842 3877910 6245684 7755820 7807105 15614210 31228420 605505011011 1211010022022 2422020044044 3027525055055 6055050110110 12110100220220