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12201330 = 2353171283
BaseRepresentation
bin101110100010…
…110101110010
3211221220002010
4232202311302
511110420310
61113303350
7205465251
oct56426562
924856063
1012201330
116984049
124104b56
1326b282b
141898798
151110320
hexba2d72

12201330 has 32 divisors (see below), whose sum is σ = 29398464. Its totient is φ = 3240896.

The previous prime is 12201323. The next prime is 12201331. The reversal of 12201330 is 3310221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12201331) 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 15 ways as a sum of consecutive naturals, for example, 8869 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (918702).

Almost surely, 212201330 is an apocalyptic number.

12201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201330 is an abundant number, since it is smaller than the sum of its proper divisors (17197134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201330 is a wasteful number, since it uses less digits than its factorization.

12201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12201330 is about 3493.0402230722. The cubic root of 12201330 is about 230.2161169653.

Adding to 12201330 its reverse (3310221), we get a palindrome (15511551).

The spelling of 12201330 in words is "twelve million, two hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 317 634 951 1283 1585 1902 2566 3170 3849 4755 6415 7698 9510 12830 19245 38490 406711 813422 1220133 2033555 2440266 4067110 6100665 12201330