Base | Representation |
---|---|
bin | 11011101111011110110001… |
… | …111011101110010101111100 |
3 | 121000000001110010110011120120 |
4 | 123233132301323232111330 |
5 | 111443003212011413040 |
6 | 1111254401554214540 |
7 | 34461640354400013 |
oct | 3357366173562574 |
9 | 530001403404516 |
10 | 122010121201020 |
11 | 35970224691138 |
12 | 11826466884450 |
13 | 5310674805c90 |
14 | 221b46dbd1a7a |
15 | e18b6ae827d0 |
hex | 6ef7b1eee57c |
122010121201020 has 48 divisors (see below), whose sum is σ = 367907442393120. Its totient is φ = 30033260603136.
The previous prime is 122010121200971. The next prime is 122010121201037. The reversal of 122010121201020 is 20102121010221.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78211615375 + ... + 78211616934.
It is an arithmetic number, because the mean of its divisors is an integer number (7664738383190).
Almost surely, 2122010121201020 is an apocalyptic number.
122010121201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122010121201020 is an abundant number, since it is smaller than the sum of its proper divisors (245897321192100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122010121201020 is a wasteful number, since it uses less digits than its factorization.
122010121201020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156423232334 (or 156423232332 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122010121201020 its reverse (20102121010221), we get a palindrome (142112242211241).
The spelling of 122010121201020 in words is "one hundred twenty-two trillion, ten billion, one hundred twenty-one million, two hundred one thousand, twenty".
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