Base | Representation |
---|---|
bin | 111000010110101111… |
… | …0010011001111001010 |
3 | 102120101020020200211220 |
4 | 1300231132103033022 |
5 | 3440323113031442 |
6 | 131332521302510 |
7 | 11513016021300 |
oct | 1605536231712 |
9 | 376336220756 |
10 | 121022002122 |
11 | 4736384647a |
12 | 1b556034a36 |
13 | b548b59058 |
14 | 5c00d80270 |
15 | 3234a80eec |
hex | 1c2d7933ca |
121022002122 has 24 divisors (see below), whose sum is σ = 281561393376. Its totient is φ = 34577714808.
The previous prime is 121022002091. The next prime is 121022002139. The reversal of 121022002122 is 221200220121.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205819438 + ... + 205820025.
It is an arithmetic number, because the mean of its divisors is an integer number (11731724724).
Almost surely, 2121022002122 is an apocalyptic number.
121022002122 is an abundant number, since it is smaller than the sum of its proper divisors (160539391254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121022002122 is a wasteful number, since it uses less digits than its factorization.
121022002122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411639482 (or 411639475 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 121022002122 its reverse (221200220121), we get a palindrome (342222222243).
The spelling of 121022002122 in words is "one hundred twenty-one billion, twenty-two million, two thousand, one hundred twenty-two".
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