Search a number
-
+
12000202122001 = 97561123002041
BaseRepresentation
bin1010111010100000001111…
…0010001110001100010001
31120111012121201101222001111
42232220003302032030101
53033102403220401001
641304452230133321
72345662124015332
oct256500362161421
946435551358044
1012000202122001
113907291287085
1214198774b1241
136907ca53a9c2
142d6b54794289
1515c245a48851
hexaea03c8e311

12000202122001 has 4 divisors (see below), whose sum is σ = 12000325221604. Its totient is φ = 12000079022400.

The previous prime is 12000202121987. The next prime is 12000202122023. The reversal of 12000202122001 is 10022120200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3480668579025 + 8519533542976 = 1865655^2 + 2918824^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000202122001 - 221 = 12000200024849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000202122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61403460 + ... + 61598581.

It is an arithmetic number, because the mean of its divisors is an integer number (3000081305401).

Almost surely, 212000202122001 is an apocalyptic number.

It is an amenable number.

12000202122001 is a deficient number, since it is larger than the sum of its proper divisors (123099603).

12000202122001 is an equidigital number, since it uses as much as digits as its factorization.

12000202122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123099602.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12000202122001 its reverse (10022120200021), we get a palindrome (22022322322022).

The spelling of 12000202122001 in words is "twelve trillion, two hundred two million, one hundred twenty-two thousand, one".

Divisors: 1 97561 123002041 12000202122001