Base | Representation |
---|---|
bin | 10110110000110000… |
… | …00100010000001000 |
3 | 1011112122022112010120 |
4 | 23120120010100020 |
5 | 200011322401440 |
6 | 5340331343240 |
7 | 611553216123 |
oct | 133030042010 |
9 | 34478275116 |
10 | 12220122120 |
11 | 5200a38688 |
12 | 24505b1b20 |
13 | 11c99459bb |
14 | 83cd5b3ba |
15 | 4b7c51dd0 |
hex | 2d8604408 |
12220122120 has 64 divisors (see below), whose sum is σ = 36751933440. Its totient is φ = 3250560000.
The previous prime is 12220122113. The next prime is 12220122133. The reversal of 12220122120 is 2122102221.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12220122120.
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, 78856 + ... + 175095.
It is an arithmetic number, because the mean of its divisors is an integer number (574248960).
Almost surely, 212220122120 is an apocalyptic number.
12220122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12220122120 is an abundant number, since it is smaller than the sum of its proper divisors (24531811320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220122120 is a wasteful number, since it uses less digits than its factorization.
12220122120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254366 (or 254362 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12220122120 its reverse (2122102221), we get a palindrome (14342224341).
The spelling of 12220122120 in words is "twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".
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