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12102222212001 = 321344691356889
BaseRepresentation
bin1011000000011100010010…
…1001111110101110100001
31120211221221200012111211100
42300013010221332232201
53041240322341241001
641423403434505013
72356233230331135
oct260070451765641
946757850174740
1012102222212001
113946583a30749
1214355a9895169
1369a308709b6c
142dba71c1d3c5
1515ec172b3586
hexb01c4a7eba1

12102222212001 has 6 divisors (see below), whose sum is σ = 17480987639570. Its totient is φ = 8068148141328.

The previous prime is 12102222211979. The next prime is 12102222212057. The reversal of 12102222212001 is 10021222220121.

It is a happy number.

12102222212001 is a `hidden beast` number, since 1 + 21 + 0 + 222 + 221 + 200 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6273401864976 + 5828820347025 = 2504676^2 + 2414295^2 .

It is not a de Polignac number, because 12102222212001 - 214 = 12102222195617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12102222222001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672345678436 + ... + 672345678453.

Almost surely, 212102222212001 is an apocalyptic number.

It is an amenable number.

12102222212001 is a deficient number, since it is larger than the sum of its proper divisors (5378765427569).

12102222212001 is a wasteful number, since it uses less digits than its factorization.

12102222212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344691356895 (or 1344691356892 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12102222212001 its reverse (10021222220121), we get a palindrome (22123444432122).

The spelling of 12102222212001 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, one".

Divisors: 1 3 9 1344691356889 4034074070667 12102222212001