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12120223133 = 86314044291
BaseRepresentation
bin10110100100110101…
…11110110110011101
31011021200100010111002
423102122332312131
5144310234120013
65322402240045
7606231124334
oct132232766635
934250303432
1012120223133
11515a606037
122423056025
1311b2039185
1482d994d1b
154ae0bc358
hex2d26bed9d

12120223133 has 4 divisors (see below), whose sum is σ = 12134268288. Its totient is φ = 12106177980.

The previous prime is 12120223103. The next prime is 12120223147. The reversal of 12120223133 is 33132202121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12120223133 - 210 = 12120222109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120223103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7021283 + ... + 7023008.

It is an arithmetic number, because the mean of its divisors is an integer number (3033567072).

Almost surely, 212120223133 is an apocalyptic number.

It is an amenable number.

12120223133 is a deficient number, since it is larger than the sum of its proper divisors (14045155).

12120223133 is an equidigital number, since it uses as much as digits as its factorization.

12120223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045154.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12120223133 its reverse (33132202121), we get a palindrome (45252425254).

The spelling of 12120223133 in words is "twelve billion, one hundred twenty million, two hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 863 14044291 12120223133