Base | Representation |
---|---|
bin | 11011110010010001100110… |
… | …000001101001000001110101 |
3 | 121000200102000221100022021010 |
4 | 123302101212001221001311 |
5 | 112004124421012241041 |
6 | 1111522513544542433 |
7 | 34511545324510644 |
oct | 3362214601510165 |
9 | 530612027308233 |
10 | 122202121212021 |
11 | 35a346a0692184 |
12 | 1185770b181a19 |
13 | 53257c25b7046 |
14 | 222688560d35b |
15 | e1db56e0ea16 |
hex | 6f2466069075 |
122202121212021 has 32 divisors (see below), whose sum is σ = 163317096288000. Its totient is φ = 81277880882688.
The previous prime is 122202121212013. The next prime is 122202121212107. The reversal of 122202121212021 is 120212121202221.
It is not a de Polignac number, because 122202121212021 - 23 = 122202121212013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122202121217021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15144638575 + ... + 15144646643.
It is an arithmetic number, because the mean of its divisors is an integer number (5103659259000).
Almost surely, 2122202121212021 is an apocalyptic number.
It is an amenable number.
122202121212021 is a deficient number, since it is larger than the sum of its proper divisors (41114975075979).
122202121212021 is a wasteful number, since it uses less digits than its factorization.
122202121212021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14973.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122202121212021 its reverse (120212121202221), we get a palindrome (242414242414242).
The spelling of 122202121212021 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, twenty-one".
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