Base | Representation |
---|---|
bin | 1011000110010000011100… |
… | …0110011000011000110001 |
3 | 1121012111210210202222022022 |
4 | 2301210013012120120301 |
5 | 3044404421011414301 |
6 | 41541324352521225 |
7 | 2366400636614411 |
oct | 261440706303061 |
9 | 47174723688268 |
10 | 12202121201201 |
11 | 3984988344948 |
12 | 1450a29850215 |
13 | 6a68693109a9 |
14 | 30282b6a8641 |
15 | 1626126e8d1b |
hex | b1907198631 |
12202121201201 has 4 divisors (see below), whose sum is σ = 12202527819504. Its totient is φ = 12201714582900.
The previous prime is 12202121201183. The next prime is 12202121201243. The reversal of 12202121201201 is 10210212120221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12202121201201 - 210 = 12202121200177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12202121201201.
It is not an unprimeable number, because it can be changed into a prime (12202121203201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203264135 + ... + 203324156.
It is an arithmetic number, because the mean of its divisors is an integer number (3050631954876).
Almost surely, 212202121201201 is an apocalyptic number.
It is an amenable number.
12202121201201 is a deficient number, since it is larger than the sum of its proper divisors (406618303).
12202121201201 is an equidigital number, since it uses as much as digits as its factorization.
12202121201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406618302.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12202121201201 its reverse (10210212120221), we get a palindrome (22412333321422).
The spelling of 12202121201201 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred one thousand, two hundred one".
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