Base | Representation |
---|---|
bin | 10001101000111100110… |
… | …011111000101110000110 |
3 | 11021212220101001202002120 |
4 | 101220330303320232012 |
5 | 124330041424341402 |
6 | 2324513310350410 |
7 | 153402320410623 |
oct | 21507463705606 |
9 | 4255811052076 |
10 | 1212201012102 |
11 | 428100962073 |
12 | 176b237bb406 |
13 | 8a40529c3b2 |
14 | 42956b0d34a |
15 | 217eae153bc |
hex | 11a3ccf8b86 |
1212201012102 has 8 divisors (see below), whose sum is σ = 2424402024216. Its totient is φ = 404067004032.
The previous prime is 1212201012053. The next prime is 1212201012107. The reversal of 1212201012102 is 2012101022121.
It is a sphenic number, since it is the product of 3 distinct primes.
1212201012102 is an admirable number.
It is a super-2 number, since 2×12122010121022 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212201012107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101016751003 + ... + 101016751014.
It is an arithmetic number, because the mean of its divisors is an integer number (303050253027).
Almost surely, 21212201012102 is an apocalyptic number.
1212201012102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212201012102 is a wasteful number, since it uses less digits than its factorization.
1212201012102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202033502022.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1212201012102 its reverse (2012101022121), we get a palindrome (3224302034223).
The spelling of 1212201012102 in words is "one trillion, two hundred twelve billion, two hundred one million, twelve thousand, one hundred two".
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