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12102102012110 = 2511110019109201
BaseRepresentation
bin1011000000011011110101…
…1111011101000011001110
31120211221122022000201120112
42300012331133131003032
53041240101103341420
641423343502320022
72356230240545135
oct260067537350316
946757568021515
1012102102012110
1139465220a27a0
121435575589012
1369a2b9842c76
142dba5dc9091c
1515ec0b96d8c5
hexb01bd7dd0ce

12102102012110 has 16 divisors (see below), whose sum is σ = 23764127587632. Its totient is φ = 4400764368000.

The previous prime is 12102102012109. The next prime is 12102102012127. The reversal of 12102102012110 is 1121020120121.

It is a super-2 number, since 2×121021020121102 (a number of 27 digits) contains 22 as substring.

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, 55009554491 + ... + 55009554710.

It is an arithmetic number, because the mean of its divisors is an integer number (1485257974227).

Almost surely, 212102102012110 is an apocalyptic number.

12102102012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102102012110 is a deficient number, since it is larger than the sum of its proper divisors (11662025575522).

12102102012110 is a wasteful number, since it uses less digits than its factorization.

12102102012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110019109219.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102102012110 its reverse (1121020120121), we get a palindrome (13223122132231).

The spelling of 12102102012110 in words is "twelve trillion, one hundred two billion, one hundred two million, twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 110019109201 220038218402 550095546005 1100191092010 1210210201211 2420420402422 6051051006055 12102102012110