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12123102333 = 34099880279
BaseRepresentation
bin10110100101001011…
…11101110001111101
31011021212202102000010
423102211331301331
5144312003233313
65322544053433
7606264445446
oct132245756175
934255672003
1012123102333
1151611a2241
122424004279
1311b2806844
148301042cd
154ae48a4c3
hex2d297dc7d

12123102333 has 8 divisors (see below), whose sum is σ = 16203659200. Its totient is φ = 8062306848.

The previous prime is 12123102307. The next prime is 12123102371. The reversal of 12123102333 is 33320132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12123102333 - 212 = 12123098237 is a prime.

It is a super-2 number, since 2×121231023332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123112333) 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, 4938913 + ... + 4941366.

It is an arithmetic number, because the mean of its divisors is an integer number (2025457400).

Almost surely, 212123102333 is an apocalyptic number.

It is an amenable number.

12123102333 is a deficient number, since it is larger than the sum of its proper divisors (4080556867).

12123102333 is an equidigital number, since it uses as much as digits as its factorization.

12123102333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880691.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12123102333 its reverse (33320132121), we get a palindrome (45443234454).

The spelling of 12123102333 in words is "twelve billion, one hundred twenty-three million, one hundred two thousand, three hundred thirty-three".

Divisors: 1 3 409 1227 9880279 29640837 4041034111 12123102333