Search a number
-
+
12201023 = 59227911
BaseRepresentation
bin101110100010…
…110000111111
3211221212122202
4232202300333
511110413043
61113302115
7205464332
oct56426077
924855582
1012201023
11698389a
12410493b
1326b2653
141898619
1511101b8
hexba2c3f

12201023 has 8 divisors (see below), whose sum is σ = 12476160. Its totient is φ = 11928280.

The previous prime is 12200989. The next prime is 12201041. The reversal of 12201023 is 32010221.

It is a happy number.

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 12201023 - 214 = 12184639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200995 and 12201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12938 + ... + 13848.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 212201023 is an apocalyptic number.

12201023 is a deficient number, since it is larger than the sum of its proper divisors (275137).

12201023 is an equidigital number, since it uses as much as digits as its factorization.

12201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12201023 is about 3492.9962782688. The cubic root of 12201023 is about 230.2141861118.

Adding to 12201023 its reverse (32010221), we get a palindrome (44211244).

The spelling of 12201023 in words is "twelve million, two hundred one thousand, twenty-three".

Divisors: 1 59 227 911 13393 53749 206797 12201023