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12230201 = 73167537
BaseRepresentation
bin101110101001…
…111000111001
3212000100200102
4232221320321
511112331301
61114045145
7205645364
oct56517071
925010612
1012230201
1169a3805
1241197b5
1326c2a09
1418a50db
151118b6b
hexba9e39

12230201 has 4 divisors (see below), whose sum is σ = 12397812. Its totient is φ = 12062592.

The previous prime is 12230173. The next prime is 12230209. The reversal of 12230201 is 10203221.

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 10394176 + 1836025 = 3224^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230201 - 210 = 12229177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83696 + ... + 83841.

It is an arithmetic number, because the mean of its divisors is an integer number (3099453).

Almost surely, 212230201 is an apocalyptic number.

It is an amenable number.

12230201 is a deficient number, since it is larger than the sum of its proper divisors (167611).

12230201 is an equidigital number, since it uses as much as digits as its factorization.

12230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167610.

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

The square root of 12230201 is about 3497.1704276458. The cubic root of 12230201 is about 230.3975543983.

Adding to 12230201 its reverse (10203221), we get a palindrome (22433422).

The spelling of 12230201 in words is "twelve million, two hundred thirty thousand, two hundred one".

Divisors: 1 73 167537 12230201