Base | Representation |
---|---|
bin | 111000011001000111… |
… | …1100000011100000000 |
3 | 102120120210210112011210 |
4 | 1300302033200130000 |
5 | 3441004103310422 |
6 | 131344500210120 |
7 | 11515010046606 |
oct | 1606217403400 |
9 | 376523715153 |
10 | 121102010112 |
11 | 473a4a22686 |
12 | 1b578999940 |
13 | b55c5bcc65 |
14 | 5c0b849876 |
15 | 323bad710c |
hex | 1c323e0700 |
121102010112 has 36 divisors (see below), whose sum is σ = 322307956040. Its totient is φ = 40367336448.
The previous prime is 121102010077. The next prime is 121102010143. The reversal of 121102010112 is 211010201121.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
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, 78841687 + ... + 78843222.
Almost surely, 2121102010112 is an apocalyptic number.
121102010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121102010112 is an abundant number, since it is smaller than the sum of its proper divisors (201205945928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121102010112 is an equidigital number, since it uses as much as digits as its factorization.
121102010112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157684928 (or 157684914 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 121102010112 its reverse (211010201121), we get a palindrome (332112211233).
The spelling of 121102010112 in words is "one hundred twenty-one billion, one hundred two million, ten thousand, one hundred twelve".
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