Base | Representation |
---|---|
bin | 11011101111101000000000… |
… | …000001001110100100110001 |
3 | 121000001000000002001021201221 |
4 | 123233220000001032210301 |
5 | 111443134000411414301 |
6 | 1111303120205425041 |
7 | 34462440606120214 |
oct | 3357500001164461 |
9 | 530030002037657 |
10 | 122020021201201 |
11 | 35974444a04872 |
12 | 1182836a26b181 |
13 | 531159187ca56 |
14 | 221bb2c96377b |
15 | e1904a18ada1 |
hex | 6efa0004e931 |
122020021201201 has 4 divisors (see below), whose sum is σ = 129197669507172. Its totient is φ = 114842372895232.
The previous prime is 122020021201189. The next prime is 122020021201291. The reversal of 122020021201201 is 102102120020221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 100185185655025 + 21834835546176 = 10009255^2 + 4672776^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122020021201201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122020021201291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3588824152960 + ... + 3588824152993.
It is an arithmetic number, because the mean of its divisors is an integer number (32299417376793).
Almost surely, 2122020021201201 is an apocalyptic number.
It is an amenable number.
122020021201201 is a deficient number, since it is larger than the sum of its proper divisors (7177648305971).
122020021201201 is an equidigital number, since it uses as much as digits as its factorization.
122020021201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7177648305970.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122020021201201 its reverse (102102120020221), we get a palindrome (224122141221422).
The spelling of 122020021201201 in words is "one hundred twenty-two trillion, twenty billion, twenty-one million, two hundred one thousand, two hundred one".
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