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12130201 = 831011447
BaseRepresentation
bin101110010001…
…011110011001
3211211021111201
4232101132121
511101131301
61111554201
7205051006
oct56213631
924737451
1012130201
116935666
12408b961
132689345
14187a8ad
1510e9201
hexb91799

12130201 has 8 divisors (see below), whose sum is σ = 12406464. Its totient is φ = 11857200.

The previous prime is 12130169. The next prime is 12130259. The reversal of 12130201 is 10203121.

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 12130201 - 25 = 12130169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7660 + ... + 9106.

It is an arithmetic number, because the mean of its divisors is an integer number (1550808).

Almost surely, 212130201 is an apocalyptic number.

It is an amenable number.

12130201 is a deficient number, since it is larger than the sum of its proper divisors (276263).

12130201 is a wasteful number, since it uses less digits than its factorization.

12130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12130201 is about 3482.8438093030. The cubic root of 12130201 is about 229.7678880788.

Adding to 12130201 its reverse (10203121), we get a palindrome (22333322).

The spelling of 12130201 in words is "twelve million, one hundred thirty thousand, two hundred one".

Divisors: 1 83 101 1447 8383 120101 146147 12130201