Search a number
-
+
12033200022221 = 71991541988357
BaseRepresentation
bin1010111100011011001010…
…0111001110001011001101
31120121100210101202222102002
42233012302213032023031
53034122443201202341
641331550433442045
72351240625363140
oct257066247161315
946540711688362
1012033200022221
11391a2847869a4
121424146410325
13693958a30651
142d85a501a057
1515d02794e29b
hexaf1b29ce2cd

12033200022221 has 16 divisors (see below), whose sum is σ = 14476202885760. Its totient is φ = 9771203689920.

The previous prime is 12033200022187. The next prime is 12033200022271. The reversal of 12033200022221 is 12222000233021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12033200022221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12033200022193 and 12033200022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033200022271) 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, 11680775 + ... + 12669131.

It is an arithmetic number, because the mean of its divisors is an integer number (904762680360).

Almost surely, 212033200022221 is an apocalyptic number.

It is an amenable number.

12033200022221 is a deficient number, since it is larger than the sum of its proper divisors (2443002863539).

12033200022221 is an equidigital number, since it uses as much as digits as its factorization.

12033200022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079924.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12033200022221 its reverse (12222000233021), we get a palindrome (24255200255242).

The spelling of 12033200022221 in words is "twelve trillion, thirty-three billion, two hundred million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 7 19 133 91541 640787 988357 1739279 6918499 12174953 18778783 131451481 90475188137 633326316959 1719028574603 12033200022221