Base | Representation |
---|---|
bin | 11011100100001001001010… |
… | …111000111010011010100100 |
3 | 120220020120102001201111121020 |
4 | 123210021022320322122210 |
5 | 111342222043323031322 |
6 | 1105500430514251140 |
7 | 34351436163640056 |
oct | 3344111270723244 |
9 | 526216361644536 |
10 | 121231003330212 |
11 | 3569a863992156 |
12 | 1171b469886ab0 |
13 | 528505ac11689 |
14 | 21d187cd798d6 |
15 | e0376b0a805c |
hex | 6e424ae3a6a4 |
121231003330212 has 12 divisors (see below), whose sum is σ = 282872341103856. Its totient is φ = 40410334443400.
The previous prime is 121231003330207. The next prime is 121231003330313. The reversal of 121231003330212 is 212033300132121.
It is a tau number, because it is divible by the number of its divisors (12).
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, 5051291805414 + ... + 5051291805437.
It is an arithmetic number, because the mean of its divisors is an integer number (23572695091988).
Almost surely, 2121231003330212 is an apocalyptic number.
121231003330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121231003330212 is an abundant number, since it is smaller than the sum of its proper divisors (161641337773644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121231003330212 is a wasteful number, since it uses less digits than its factorization.
121231003330212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10102583610858 (or 10102583610856 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 121231003330212 its reverse (212033300132121), we get a palindrome (333264303462333).
The spelling of 121231003330212 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, three hundred thirty thousand, two hundred twelve".
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