Base | Representation |
---|---|
bin | 111000110111011111… |
… | …1000110100111001001 |
3 | 102200012211102200101220 |
4 | 1301232333012213021 |
5 | 4000101001321301 |
6 | 132033543232253 |
7 | 11552163252213 |
oct | 1615677064711 |
9 | 380184380356 |
10 | 122121120201 |
11 | 47878209123 |
12 | 1b802148689 |
13 | b69278b492 |
14 | 5ca6d2d5b3 |
15 | 329b2e0936 |
hex | 1c6efc69c9 |
122121120201 has 16 divisors (see below), whose sum is σ = 171434207040. Its totient is φ = 77112864000.
The previous prime is 122121120169. The next prime is 122121120203. The reversal of 122121120201 is 102021121221.
It is not a de Polignac number, because 122121120201 - 25 = 122121120169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122121120203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49701 + ... + 496701.
It is an arithmetic number, because the mean of its divisors is an integer number (10714637940).
Almost surely, 2122121120201 is an apocalyptic number.
It is an amenable number.
122121120201 is a deficient number, since it is larger than the sum of its proper divisors (49313086839).
122121120201 is a wasteful number, since it uses less digits than its factorization.
122121120201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451816.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122121120201 its reverse (102021121221), we get a palindrome (224142241422).
The spelling of 122121120201 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".
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