Base | Representation |
---|---|
bin | 111000011100000110… |
… | …1101111110010101010 |
3 | 102120211210100022100012 |
4 | 1300320031233302222 |
5 | 3441210231241020 |
6 | 131402440011522 |
7 | 11520334542455 |
oct | 1607015576252 |
9 | 376753308305 |
10 | 121202212010 |
11 | 47446541870 |
12 | 1b5a6460ba2 |
13 | b5772a4619 |
14 | 5c1ac9049c |
15 | 32457cb7c5 |
hex | 1c3836fcaa |
121202212010 has 64 divisors (see below), whose sum is σ = 250590067200. Its totient is φ = 41742734400.
The previous prime is 121202211997. The next prime is 121202212031. The reversal of 121202212010 is 10212202121.
It is a super-2 number, since 2×1212022120102 (a number of 23 digits) contains 22 as substring.
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, 13327565 + ... + 13336655.
It is an arithmetic number, because the mean of its divisors is an integer number (3915469800).
Almost surely, 2121202212010 is an apocalyptic number.
121202212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121202212010 is an abundant number, since it is smaller than the sum of its proper divisors (129387855190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121202212010 is a wasteful number, since it uses less digits than its factorization.
121202212010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15507.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 121202212010 its reverse (10212202121), we get a palindrome (131414414131).
The spelling of 121202212010 in words is "one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, ten".
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