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12102111200210 = 251791977463427
BaseRepresentation
bin1011000000011011111000…
…0010100000001111010010
31120211221122221022112021112
42300012332002200033102
53041240110431401320
641423344431253322
72356230411623453
oct260067602401722
946757587275245
1012102111200210
1139465272a8969
12143557867a242
1369a2bb70c105
142dba611a312a
1515ec0c685ec5
hexb01be0a03d2

12102111200210 has 32 divisors (see below), whose sum is σ = 23090298618240. Its totient is φ = 4551131204352.

The previous prime is 12102111200183. The next prime is 12102111200213. The reversal of 12102111200210 is 1200211120121.

It is a super-2 number, since 2×121021112002102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102111200213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38575484 + ... + 38887943.

It is an arithmetic number, because the mean of its divisors is an integer number (721571831820).

Almost surely, 212102111200210 is an apocalyptic number.

12102111200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102111200210 is a deficient number, since it is larger than the sum of its proper divisors (10988187418030).

12102111200210 is a wasteful number, since it uses less digits than its factorization.

12102111200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77464370.

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

Adding to 12102111200210 its reverse (1200211120121), we get a palindrome (13302322320331).

The spelling of 12102111200210 in words is "twelve trillion, one hundred two billion, one hundred eleven million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 919 1838 4595 9190 15623 31246 78115 156230 77463427 154926854 387317135 774634270 1316878259 2633756518 6584391295 13168782590 71188889413 142377778826 355944447065 711888894130 1210211120021 2420422240042 6051055600105 12102111200210