Base | Representation |
---|---|
bin | 11011110010011001001000… |
… | …110000111010001001010100 |
3 | 121000201011221101001120222002 |
4 | 123302121020300322021110 |
5 | 112004243012334033022 |
6 | 1111530333342454432 |
7 | 34512253120115030 |
oct | 3362311060721124 |
9 | 530634841046862 |
10 | 122210220221012 |
11 | 35a38077334540 |
12 | 118591ab594418 |
13 | 53264b34b4861 |
14 | 22270130cb1c0 |
15 | e1de7ce66092 |
hex | 6f2648c3a254 |
122210220221012 has 48 divisors (see below), whose sum is σ = 266737477776000. Its totient is φ = 47597050569600.
The previous prime is 122210220220997. The next prime is 122210220221021. The reversal of 122210220221012 is 210122022012221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71322539 + ... + 73015922.
It is an arithmetic number, because the mean of its divisors is an integer number (5557030787000).
Almost surely, 2122210220221012 is an apocalyptic number.
It is an amenable number.
122210220221012 is an abundant number, since it is smaller than the sum of its proper divisors (144527257554988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122210220221012 is a wasteful number, since it uses less digits than its factorization.
122210220221012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144341232 (or 144341230 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 122210220221012 its reverse (210122022012221), we get a palindrome (332332242233233).
The spelling of 122210220221012 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, twelve".
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