Base | Representation |
---|---|
bin | 111000110011111100… |
… | …1100010010010101001 |
3 | 102122220112200221021012 |
4 | 1301213321202102221 |
5 | 3444330032021301 |
6 | 132014054553305 |
7 | 11546220522041 |
oct | 1614771422251 |
9 | 378815627235 |
10 | 122002220201 |
11 | 47817088864 |
12 | 1b78a368835 |
13 | b673c5b154 |
14 | 5c9521c721 |
15 | 3290b55ebb |
hex | 1c67e624a9 |
122002220201 has 4 divisors (see below), whose sum is σ = 122003096400. Its totient is φ = 122001344004.
The previous prime is 122002220143. The next prime is 122002220279. The reversal of 122002220201 is 102022200221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102022200221 = 14951 ⋅6823771.
It is a cyclic number.
It is not a de Polignac number, because 122002220201 - 210 = 122002219177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122002220701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177611 + ... + 524928.
It is an arithmetic number, because the mean of its divisors is an integer number (30500774100).
Almost surely, 2122002220201 is an apocalyptic number.
It is an amenable number.
122002220201 is a deficient number, since it is larger than the sum of its proper divisors (876199).
122002220201 is an equidigital number, since it uses as much as digits as its factorization.
122002220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 876198.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 122002220201 its reverse (102022200221), we get a palindrome (224024420422).
The spelling of 122002220201 in words is "one hundred twenty-two billion, two million, two hundred twenty thousand, two hundred one".
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