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12102212011222 = 229320652238927
BaseRepresentation
bin1011000000011100010000…
…0011000100010011010110
31120211221220222000020222201
42300013010003010103112
53041240312233324342
641423402432115114
72356233044534224
oct260070403042326
946757828006881
1012102212011222
1139465791a3753
1214355a6395a9a
1369a306577ab8
142dba70725b14
1515ec1644adb7
hexb01c40c44d6

12102212011222 has 8 divisors (see below), whose sum is σ = 18215274734496. Its totient is φ = 6030453766392.

The previous prime is 12102212011171. The next prime is 12102212011249. The reversal of 12102212011222 is 22211021220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12102212011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10326118878 + ... + 10326120049.

It is an arithmetic number, because the mean of its divisors is an integer number (2276909341812).

Almost surely, 212102212011222 is an apocalyptic number.

12102212011222 is a deficient number, since it is larger than the sum of its proper divisors (6113062723274).

12102212011222 is a wasteful number, since it uses less digits than its factorization.

12102212011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652239222.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12102212011222 its reverse (22211021220121), we get a palindrome (34313233231343).

The spelling of 12102212011222 in words is "twelve trillion, one hundred two billion, two hundred twelve million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 293 586 20652238927 41304477854 6051106005611 12102212011222