Base | Representation |
---|---|
bin | 1011000110101110100111… |
… | …1001000111101011001010 |
3 | 1121020021201022012111022100 |
4 | 2301223221321013223022 |
5 | 3100023013101321302 |
6 | 41545144222134230 |
7 | 2400105443031540 |
oct | 261535171075312 |
9 | 47207638174270 |
10 | 12210221120202 |
11 | 3988364558986 |
12 | 145250a421376 |
13 | 6a755a469781 |
14 | 302d99341d90 |
15 | 16293887ed1c |
hex | b1ae9e47aca |
12210221120202 has 48 divisors (see below), whose sum is σ = 30237726205440. Its totient is φ = 3488300803296.
The previous prime is 12210221120189. The next prime is 12210221120221. The reversal of 12210221120202 is 20202112201221.
It is a happy number.
12210221120202 is a `hidden beast` number, since 1 + 221 + 0 + 221 + 1 + 20 + 202 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3312577 + ... + 5949252.
It is an arithmetic number, because the mean of its divisors is an integer number (629952629280).
Almost surely, 212210221120202 is an apocalyptic number.
12210221120202 is an abundant number, since it is smaller than the sum of its proper divisors (18027505085238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210221120202 is a wasteful number, since it uses less digits than its factorization.
12210221120202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9272307 (or 9272304 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12210221120202 its reverse (20202112201221), we get a palindrome (32412333321423).
The spelling of 12210221120202 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred two".
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