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12102102020211 = 374348271325333
BaseRepresentation
bin1011000000011011110101…
…1111011111000001110011
31120211221122022001010200120
42300012331133133001303
53041240101104121321
641423343502421323
72356230240610560
oct260067537370163
946757568033616
1012102102020211
1139465220a8895
121435575591843
1369a2b9846868
142dba5dc93867
1515ec0b970ec6
hexb01bd7df073

12102102020211 has 16 divisors (see below), whose sum is σ = 18441354641664. Its totient is φ = 6915465746784.

The previous prime is 12102102020207. The next prime is 12102102020231. The reversal of 12102102020211 is 11202020120121.

It is not a de Polignac number, because 12102102020211 - 22 = 12102102020207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102102020201) 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, 8468701 + ... + 9794033.

It is an arithmetic number, because the mean of its divisors is an integer number (1152584665104).

Almost surely, 212102102020211 is an apocalyptic number.

12102102020211 is a deficient number, since it is larger than the sum of its proper divisors (6339252621453).

12102102020211 is a wasteful number, since it uses less digits than its factorization.

12102102020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760170.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102102020211 its reverse (11202020120121), we get a palindrome (23304122140332).

The spelling of 12102102020211 in words is "twelve trillion, one hundred two billion, one hundred two million, twenty thousand, two hundred eleven".

Divisors: 1 3 7 21 434827 1304481 1325333 3043789 3975999 9131367 9277331 27831993 576290572391 1728871717173 4034034006737 12102102020211