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12210123 = 319012141
BaseRepresentation
bin101110100100…
…111111001011
3211222100010210
4232210333023
511111210443
61113412203
7205533012
oct56447713
924870123
1012210123
11698a712
12410a063
1326b6833
14189ba79
151112c33
hexba4fcb

12210123 has 8 divisors (see below), whose sum is σ = 16296336. Its totient is φ = 8132000.

The previous prime is 12210119. The next prime is 12210137. The reversal of 12210123 is 32101221.

12210123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12210123 - 22 = 12210119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210099 and 12210108.

It is not an unprimeable number, because it can be changed into a prime (12210113) 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, 4633 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (2037042).

Almost surely, 212210123 is an apocalyptic number.

12210123 is a deficient number, since it is larger than the sum of its proper divisors (4086213).

12210123 is a wasteful number, since it uses less digits than its factorization.

12210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12210123 is about 3494.2986420740. The cubic root of 12210123 is about 230.2714061356.

Adding to 12210123 its reverse (32101221), we get a palindrome (44311344).

The spelling of 12210123 in words is "twelve million, two hundred ten thousand, one hundred twenty-three".

Divisors: 1 3 1901 2141 5703 6423 4070041 12210123