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12102000021211 = 2910317099236947
BaseRepresentation
bin1011000000011011011101…
…1010011000111011011011
31120211221101012010001100211
42300012313122120323123
53041234344001134321
641423325420311551
72356224561621442
oct260066732307333
946757335101324
1012102000021211
11394647a5714a1
1214355473a25b7
1369a2a1683219
142dba50501d59
1515ec02a240e1
hexb01b7698edb

12102000021211 has 16 divisors (see below), whose sum is σ = 12641649696000. Its totient is φ = 11570520534048.

The previous prime is 12102000021131. The next prime is 12102000021283. The reversal of 12102000021211 is 11212000020121.

It is not a de Polignac number, because 12102000021211 - 29 = 12102000020699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102000021191 and 12102000021200.

It is not an unprimeable number, because it can be changed into a prime (12102000021611) 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, 50956240 + ... + 51193186.

It is an arithmetic number, because the mean of its divisors is an integer number (790103106000).

Almost surely, 212102000021211 is an apocalyptic number.

12102000021211 is a deficient number, since it is larger than the sum of its proper divisors (539649674789).

12102000021211 is a wasteful number, since it uses less digits than its factorization.

12102000021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254178.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12102000021211 its reverse (11212000020121), we get a palindrome (23314000041332).

The spelling of 12102000021211 in words is "twelve trillion, one hundred two billion, twenty-one thousand, two hundred eleven".

Divisors: 1 29 103 2987 17099 236947 495871 1761197 6871463 24405541 51074713 707760689 4051556753 117495145837 417310345559 12102000021211