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12112220262 = 2311811709317
BaseRepresentation
bin10110100011111000…
…11101000001100110
31011021010021112121110
423101330131001212
5144301212022022
65321514525450
7606103113342
oct132174350146
934233245543
1012112220262
11515603a39a
122420436886
1311b049664c
1482c8b0622
154ad53b00c
hex2d1f1d066

12112220262 has 16 divisors (see below), whose sum is σ = 24244966512. Its totient is φ = 4033985760.

The previous prime is 12112220261. The next prime is 12112220291. The reversal of 12112220262 is 26202221121.

12112220262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847573 + ... + 861744.

It is an arithmetic number, because the mean of its divisors is an integer number (1515310407).

Almost surely, 212112220262 is an apocalyptic number.

12112220262 is an abundant number, since it is smaller than the sum of its proper divisors (12132746250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112220262 is a wasteful number, since it uses less digits than its factorization.

12112220262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710503.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12112220262 its reverse (26202221121), we get a palindrome (38314441383).

The spelling of 12112220262 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, two hundred sixty-two".

Divisors: 1 2 3 6 1181 2362 3543 7086 1709317 3418634 5127951 10255902 2018703377 4037406754 6056110131 12112220262