Base | Representation |
---|---|
bin | 1011000110010000000010… |
… | …0010011011001100011101 |
3 | 1121012111112010121212121200 |
4 | 2301210000202123030131 |
5 | 3044404204321042341 |
6 | 41541305421150113 |
7 | 2366365132102320 |
oct | 261440042331435 |
9 | 47174463555550 |
10 | 12202011112221 |
11 | 3984931192417 |
12 | 14509b89bb339 |
13 | 6a684c576c98 |
14 | 30281ac0c7b7 |
15 | 162607beedb6 |
hex | b190089b31d |
12202011112221 has 24 divisors (see below), whose sum is σ = 20143094010624. Its totient is φ = 6972546091680.
The previous prime is 12202011112219. The next prime is 12202011112241. The reversal of 12202011112221 is 12221111020221.
12202011112221 is a `hidden beast` number, since 1 + 220 + 201 + 11 + 12 + 221 = 666.
It is not a de Polignac number, because 12202011112221 - 21 = 12202011112219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12202011112194 and 12202011112203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202011112241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27498700 + ... + 27938906.
It is an arithmetic number, because the mean of its divisors is an integer number (839295583776).
Almost surely, 212202011112221 is an apocalyptic number.
It is an amenable number.
12202011112221 is a deficient number, since it is larger than the sum of its proper divisors (7941082898403).
12202011112221 is a wasteful number, since it uses less digits than its factorization.
12202011112221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880201 (or 880198 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 12202011112221 its reverse (12221111020221), we get a palindrome (24423122132442).
The spelling of 12202011112221 in words is "twelve trillion, two hundred two billion, eleven million, one hundred twelve thousand, two hundred twenty-one".
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