Base | Representation |
---|---|
bin | 111000010110101111… |
… | …0010011000000111100 |
3 | 102120101020020122121012 |
4 | 1300231132103000330 |
5 | 3440323113014322 |
6 | 131332521254352 |
7 | 11513016015530 |
oct | 1605536230074 |
9 | 376336218535 |
10 | 121022001212 |
11 | 47363845822 |
12 | 1b5560343b8 |
13 | b548b58808 |
14 | 5c00d7dbc0 |
15 | 3234a80ae2 |
hex | 1c2d79303c |
121022001212 has 24 divisors (see below), whose sum is σ = 247193877504. Its totient is φ = 50763027312.
The previous prime is 121022001187. The next prime is 121022001223. The reversal of 121022001212 is 212100220121.
121022001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45979688 + ... + 45982319.
It is an arithmetic number, because the mean of its divisors is an integer number (10299744896).
Almost surely, 2121022001212 is an apocalyptic number.
It is an amenable number.
121022001212 is an abundant number, since it is smaller than the sum of its proper divisors (126171876292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121022001212 is a wasteful number, since it uses less digits than its factorization.
121022001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91962065 (or 91962063 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 121022001212 its reverse (212100220121), we get a palindrome (333122221333).
The spelling of 121022001212 in words is "one hundred twenty-one billion, twenty-two million, one thousand, two hundred twelve".
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