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12210011 = 111517351
BaseRepresentation
bin101110100100…
…111101011011
3211222022222122
4232210331123
511111210021
61113411455
7205532462
oct56447533
924868878
1012210011
11698a620
124109b8b
1326b6778
14189b9d9
151112bab
hexba4f5b

12210011 has 8 divisors (see below), whose sum is σ = 13410048. Its totient is φ = 11025000.

The previous prime is 12210007. The next prime is 12210019. The reversal of 12210011 is 11001221.

12210011 = 2062 + 2072 + ... + 3562.

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 12210011 - 22 = 12210007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210019) 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, 2015 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (1676256).

Almost surely, 212210011 is an apocalyptic number.

12210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210011 is a deficient number, since it is larger than the sum of its proper divisors (1200037).

12210011 is a wasteful number, since it uses less digits than its factorization.

12210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12210011 is about 3494.2826159313. The cubic root of 12210011 is about 230.2707020620.

Adding to 12210011 its reverse (11001221), we get a palindrome (23211232).

The spelling of 12210011 in words is "twelve million, two hundred ten thousand, eleven".

Divisors: 1 11 151 1661 7351 80861 1110001 12210011