Base | Representation |
---|---|
bin | 1011000111010011110111… |
… | …1100000001010010010010 |
3 | 1121021020112012221011101000 |
4 | 2301310331330001102102 |
5 | 3100204003100214302 |
6 | 41553520404322430 |
7 | 2400611320334232 |
oct | 261647574012222 |
9 | 47236465834330 |
10 | 12220221101202 |
11 | 399162625a694 |
12 | 145443b3a3416 |
13 | 6a849214b3aa |
14 | 30366749bcc2 |
15 | 162d2173731c |
hex | b1d3df01492 |
12220221101202 has 32 divisors (see below), whose sum is σ = 27158864189760. Its totient is φ = 4072984439040.
The previous prime is 12220221100973. The next prime is 12220221101203. The reversal of 12220221101202 is 20210112202221.
It is a happy number.
12220221101202 is a `hidden beast` number, since 12 + 220 + 221 + 10 + 1 + 202 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12220221101203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11213199 + ... + 12254642.
It is an arithmetic number, because the mean of its divisors is an integer number (848714505930).
Almost surely, 212220221101202 is an apocalyptic number.
12220221101202 is an abundant number, since it is smaller than the sum of its proper divisors (14938643088558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220221101202 is a wasteful number, since it uses less digits than its factorization.
12220221101202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23477495 (or 23477489 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12220221101202 its reverse (20210112202221), we get a palindrome (32430333303423).
The spelling of 12220221101202 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, two hundred two".
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