Base | Representation |
---|---|
bin | 11011110010011010110100… |
… | …000111001001001111000101 |
3 | 121000201100120212221102021202 |
4 | 123302122310013021033011 |
5 | 112004310204412241401 |
6 | 1111531232200152245 |
7 | 34512345546230642 |
oct | 3362326407111705 |
9 | 530640525842252 |
10 | 122212021212101 |
11 | 35a38910a05827 |
12 | 11859612768685 |
13 | 532670c660a62 |
14 | 2227144380dc9 |
15 | e1e03611806b |
hex | 6f26b41c93c5 |
122212021212101 has 16 divisors (see below), whose sum is σ = 124582089123648. Its totient is φ = 119864818656000.
The previous prime is 122212021212091. The next prime is 122212021212133. The reversal of 122212021212101 is 101212120212221.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122212021212101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212021218101) 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, 211561181 + ... + 212138061.
It is an arithmetic number, because the mean of its divisors is an integer number (7786380570228).
Almost surely, 2122212021212101 is an apocalyptic number.
It is an amenable number.
122212021212101 is a deficient number, since it is larger than the sum of its proper divisors (2370067911547).
122212021212101 is a wasteful number, since it uses less digits than its factorization.
122212021212101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596692.
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 122212021212101 its reverse (101212120212221), we get a palindrome (223424141424322).
The spelling of 122212021212101 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred one".
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