Search a number
-
+
12033212201221 = 19883717244573
BaseRepresentation
bin1010111100011011001101…
…0101101011100100000101
31120121100211020200201212011
42233012303111223210011
53034123004310414341
641331551550454221
72351241134036341
oct257066325534405
946540736621764
1012033212201221
11391a290645192
12142414a504371
1369395b405c63
142d85a68aa621
1515d028a57b81
hexaf1b356b905

12033212201221 has 8 divisors (see below), whose sum is σ = 12680884068320. Its totient is φ = 11386974825072.

The previous prime is 12033212201203. The next prime is 12033212201233. The reversal of 12033212201221 is 12210221233021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12033212201221 - 217 = 12033212070149 is a prime.

It is a super-2 number, since 2×120332122012212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033212201192 and 12033212201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033212201921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358605510 + ... + 358639063.

It is an arithmetic number, because the mean of its divisors is an integer number (1585110508540).

Almost surely, 212033212201221 is an apocalyptic number.

It is an amenable number.

12033212201221 is a deficient number, since it is larger than the sum of its proper divisors (647671867099).

12033212201221 is an equidigital number, since it uses as much as digits as its factorization.

12033212201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717245475.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12033212201221 its reverse (12210221233021), we get a palindrome (24243433434242).

The spelling of 12033212201221 in words is "twelve trillion, thirty-three billion, two hundred twelve million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 19 883 16777 717244573 13627646887 633326957959 12033212201221