Base | Representation |
---|---|
bin | 1011000001011111010001… |
… | …0101110110100000100010 |
3 | 1120220200100201120000110212 |
4 | 2300113310111312200202 |
5 | 3042034133220023020 |
6 | 41435535522254122 |
7 | 2360440623053600 |
oct | 260276425664042 |
9 | 46820321500425 |
10 | 12120202111010 |
11 | 3953170133a14 |
12 | 1438b871b7342 |
13 | 69bc12720066 |
14 | 2dc899ad6870 |
15 | 16041a9eacc5 |
hex | b05f4576822 |
12120202111010 has 48 divisors (see below), whose sum is σ = 25402412964600. Its totient is φ = 4151536300800.
The previous prime is 12120202110917. The next prime is 12120202111081. The reversal of 12120202111010 is 1011120202121.
It can be written as a sum of positive squares in 4 ways, for example, as 11930330148961 + 189871962049 = 3454031^2 + 435743^2 .
It is a super-3 number, since 3×121202021110103 (a number of 40 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11275841 + ... + 12303860.
Almost surely, 212120202111010 is an apocalyptic number.
12120202111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12120202111010 is an abundant number, since it is smaller than the sum of its proper divisors (13282210853590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12120202111010 is a wasteful number, since it uses less digits than its factorization.
12120202111010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23580771 (or 23580764 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 12120202111010 its reverse (1011120202121), we get a palindrome (13131322313131).
The spelling of 12120202111010 in words is "twelve trillion, one hundred twenty billion, two hundred two million, one hundred eleven thousand, ten".
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