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12112200111 = 311367036367
BaseRepresentation
bin10110100011111000…
…11000000110101111
31011021010020111222010
423101330120012233
5144301210400421
65321514252303
7606103000524
oct132174300657
934233214863
1012112200111
115156026240
122420427093
1311b048a41b
1482c8a714b
154ad535076
hex2d1f181af

12112200111 has 8 divisors (see below), whose sum is σ = 17617745664. Its totient is φ = 7340727320.

The previous prime is 12112200109. The next prime is 12112200119. The reversal of 12112200111 is 11100221121.

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

It is a cyclic number.

It is not a de Polignac number, because 12112200111 - 21 = 12112200109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112200119) 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, 183518151 + ... + 183518216.

It is an arithmetic number, because the mean of its divisors is an integer number (2202218208).

Almost surely, 212112200111 is an apocalyptic number.

12112200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112200111 is a deficient number, since it is larger than the sum of its proper divisors (5505545553).

12112200111 is a wasteful number, since it uses less digits than its factorization.

12112200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367036381.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12112200111 its reverse (11100221121), we get a palindrome (23212421232).

The spelling of 12112200111 in words is "twelve billion, one hundred twelve million, two hundred thousand, one hundred eleven".

Divisors: 1 3 11 33 367036367 1101109101 4037400037 12112200111