Base | Representation |
---|---|
bin | 1011000111010011011101… |
… | …0100001111011101100100 |
3 | 1121021020020110220011011220 |
4 | 2301310313110033131210 |
5 | 3100203241130311322 |
6 | 41553501355300340 |
7 | 2400605501146626 |
oct | 261646724173544 |
9 | 47236213804156 |
10 | 12220110010212 |
11 | 3991579583355 |
12 | 145440a14a6b0 |
13 | 6a8475123590 |
14 | 303656820c16 |
15 | 162d16ae155c |
hex | b1d3750f764 |
12220110010212 has 96 divisors (see below), whose sum is σ = 32338587388800. Its totient is φ = 3560430339072.
The previous prime is 12220110010181. The next prime is 12220110010247. The reversal of 12220110010212 is 21201001102221.
It is a junction number, because it is equal to n+sod(n) for n = 12220110010191 and 12220110010200.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5204998 + ... + 7178594.
It is an arithmetic number, because the mean of its divisors is an integer number (336860285300).
Almost surely, 212220110010212 is an apocalyptic number.
12220110010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12220110010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16169293694400).
12220110010212 is an abundant number, since it is smaller than the sum of its proper divisors (20118477378588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220110010212 is a wasteful number, since it uses less digits than its factorization.
12220110010212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1975725 (or 1975723 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12220110010212 its reverse (21201001102221), we get a palindrome (33421111112433).
The spelling of 12220110010212 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, ten thousand, two hundred twelve".
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