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1212212102102 = 23716381244623
BaseRepresentation
bin10001101000111101011…
…110001100001111010110
311021212221010221011201022
4101220331132030033112
5124330102244231402
62324514344201142
7153402513600161
oct21507536141726
94255833834638
101212212102102
11428107147161
12176b274691b2
138a407683121
1442958398ad8
15217ebda62a2
hex11a3d78c3d6

1212212102102 has 8 divisors (see below), whose sum is σ = 1867461887136. Its totient is φ = 589724806392.

The previous prime is 1212212102093. The next prime is 1212212102159. The reversal of 1212212102102 is 2012012122121.

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

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, 8190622238 + ... + 8190622385.

It is an arithmetic number, because the mean of its divisors is an integer number (233432735892).

Almost surely, 21212212102102 is an apocalyptic number.

1212212102102 is a deficient number, since it is larger than the sum of its proper divisors (655249785034).

1212212102102 is a wasteful number, since it uses less digits than its factorization.

1212212102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381244662.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212212102102 its reverse (2012012122121), we get a palindrome (3224224224223).

The spelling of 1212212102102 in words is "one trillion, two hundred twelve billion, two hundred twelve million, one hundred two thousand, one hundred two".

Divisors: 1 2 37 74 16381244623 32762489246 606106051051 1212212102102