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12140220223 = 94112901403
BaseRepresentation
bin10110100111001110…
…10000111100111111
31011100001222002100001
423103213100330333
5144330344021343
65324355015131
7606563112025
oct132347207477
934301862301
1012140220223
11516a92415a
12242989a4a7
1311b621b181
148324bc715
154b0c1c44d
hex2d39d0f3f

12140220223 has 4 divisors (see below), whose sum is σ = 12153122568. Its totient is φ = 12127317880.

The previous prime is 12140220163. The next prime is 12140220347. The reversal of 12140220223 is 32202204121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202204121 = 53607588757.

It is a cyclic number.

It is not a de Polignac number, because 12140220223 - 29 = 12140219711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12140220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140220623) 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, 6449761 + ... + 6451642.

It is an arithmetic number, because the mean of its divisors is an integer number (3038280642).

Almost surely, 212140220223 is an apocalyptic number.

12140220223 is a deficient number, since it is larger than the sum of its proper divisors (12902345).

12140220223 is an equidigital number, since it uses as much as digits as its factorization.

12140220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902344.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12140220223 its reverse (32202204121), we get a palindrome (44342424344).

The spelling of 12140220223 in words is "twelve billion, one hundred forty million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 941 12901403 12140220223