Base | Representation |
---|---|
bin | 1011000111010011110010… |
… | …1100010111101000010001 |
3 | 1121021020110202122100101122 |
4 | 2301310330230113220101 |
5 | 3100203432224034301 |
6 | 41553514341012025 |
7 | 2400610645011500 |
oct | 261647454275021 |
9 | 47236422570348 |
10 | 12220200221201 |
11 | 3991615499195 |
12 | 14544343b4015 |
13 | 6a848aa1a56b |
14 | 3036647c4837 |
15 | 162d1e9b081b |
hex | b1d3cb17a11 |
12220200221201 has 12 divisors (see below), whose sum is σ = 14216848239348. Its totient is φ = 10473342278112.
The previous prime is 12220200221191. The next prime is 12220200221233. The reversal of 12220200221201 is 10212200202221.
It is a happy number.
12220200221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2495376264976 + 9724823956225 = 1579676^2 + 3118465^2 .
It is not a de Polignac number, because 12220200221201 - 26 = 12220200221137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12220200221201.
It is not an unprimeable number, because it can be changed into a prime (12220200224201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12809306 + ... + 13730211.
It is an arithmetic number, because the mean of its divisors is an integer number (1184737353279).
Almost surely, 212220200221201 is an apocalyptic number.
It is an amenable number.
12220200221201 is a deficient number, since it is larger than the sum of its proper divisors (1996648018147).
12220200221201 is an equidigital number, since it uses as much as digits as its factorization.
12220200221201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26548928 (or 26548921 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 12220200221201 its reverse (10212200202221), we get a palindrome (22432400423422).
The spelling of 12220200221201 in words is "twelve trillion, two hundred twenty billion, two hundred million, two hundred twenty-one thousand, two hundred one".
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