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12110213 = 23526531
BaseRepresentation
bin101110001100…
…100110000101
3211210021002102
4232030212011
511100011323
61111321445
7204635513
oct56144605
924707072
1012110213
116921645
124080285
13268020b
1418734b3
1510e3328
hexb8c985

12110213 has 4 divisors (see below), whose sum is σ = 12636768. Its totient is φ = 11583660.

The previous prime is 12110209. The next prime is 12110221. The reversal of 12110213 is 31201121.

12110213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31201121 = 74457303.

It is a cyclic number.

It is not a de Polignac number, because 12110213 - 22 = 12110209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110194 and 12110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263243 + ... + 263288.

It is an arithmetic number, because the mean of its divisors is an integer number (3159192).

Almost surely, 212110213 is an apocalyptic number.

It is an amenable number.

12110213 is a deficient number, since it is larger than the sum of its proper divisors (526555).

12110213 is an equidigital number, since it uses as much as digits as its factorization.

12110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526554.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12110213 is about 3479.9731320802. The cubic root of 12110213 is about 229.6416157715.

Adding to 12110213 its reverse (31201121), we get a palindrome (43311334).

The spelling of 12110213 in words is "twelve million, one hundred ten thousand, two hundred thirteen".

Divisors: 1 23 526531 12110213