Base | Representation |
---|---|
bin | 111000010110011000… |
… | …0100110011001111100 |
3 | 102120100101201001020010 |
4 | 1300230300212121330 |
5 | 3440312031201022 |
6 | 131331412423220 |
7 | 11512512133665 |
oct | 1605460463174 |
9 | 376311631203 |
10 | 121010022012 |
11 | 47358003660 |
12 | 1b552017b10 |
13 | b546523129 |
14 | 5bdd54236c |
15 | 32339b650c |
hex | 1c2cc2667c |
121010022012 has 24 divisors (see below), whose sum is σ = 308025510912. Its totient is φ = 36669703600.
The previous prime is 121010021981. The next prime is 121010022019. The reversal of 121010022012 is 210220010121.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121010022019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458371164 + ... + 458371427.
It is an arithmetic number, because the mean of its divisors is an integer number (12834396288).
Almost surely, 2121010022012 is an apocalyptic number.
121010022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121010022012 is an abundant number, since it is smaller than the sum of its proper divisors (187015488900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121010022012 is a wasteful number, since it uses less digits than its factorization.
121010022012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916742609 (or 916742607 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 121010022012 its reverse (210220010121), we get a palindrome (331230032133).
The spelling of 121010022012 in words is "one hundred twenty-one billion, ten million, twenty-two thousand, twelve".
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