Search a number
-
+
12001120020201 = 3131913779426331
BaseRepresentation
bin1010111010100011101001…
…1111101110011011101001
31120111021222200121000200010
42232220322133232123221
53033111243211121301
641305123300002133
72346023641020354
oct256507237563351
946437880530603
1012001120020201
113907712423634
121419a92990349
1369091575cc30
142d6c0064d29b
1515c29b40d5d6
hexaea3a7ee6e9

12001120020201 has 32 divisors (see below), whose sum is σ = 17327223889920. Its totient is φ = 7344676814400.

The previous prime is 12001120020179. The next prime is 12001120020203. The reversal of 12001120020201 is 10202002110021.

It is not a de Polignac number, because 12001120020201 - 215 = 12001119987433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001120020203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27936606 + ... + 28362936.

It is an arithmetic number, because the mean of its divisors is an integer number (541475746560).

Almost surely, 212001120020201 is an apocalyptic number.

It is an amenable number.

12001120020201 is a deficient number, since it is larger than the sum of its proper divisors (5326103869719).

12001120020201 is a wasteful number, since it uses less digits than its factorization.

12001120020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430317.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12001120020201 its reverse (10202002110021), we get a palindrome (22203122130222).

The spelling of 12001120020201 in words is "twelve trillion, one billion, one hundred twenty million, twenty thousand, two hundred one".

Divisors: 1 3 13 39 191 573 2483 3779 7449 11337 49127 147381 426331 721789 1278993 2165367 5542303 9383257 16626909 28149771 81429221 244287663 1058579873 1611104849 3175739619 4833314547 20944363037 62833089111 307721026159 923163078477 4000373340067 12001120020201