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12112220103 = 38574711093
BaseRepresentation
bin10110100011111000…
…11100111111000111
31011021010021112101120
423101330130333013
5144301212020403
65321514525023
7606103113024
oct132174347707
934233245346
1012112220103
11515603a265
122420436773
1311b0496559
1482c8b054b
154ad53ae53
hex2d1f1cfc7

12112220103 has 8 divisors (see below), whose sum is σ = 16168474608. Its totient is φ = 8065389504.

The previous prime is 12112220101. The next prime is 12112220119. The reversal of 12112220103 is 30102221121.

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

It is not a de Polignac number, because 12112220103 - 21 = 12112220101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220101) 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, 2352976 + ... + 2358117.

It is an arithmetic number, because the mean of its divisors is an integer number (2021059326).

Almost surely, 212112220103 is an apocalyptic number.

12112220103 is a deficient number, since it is larger than the sum of its proper divisors (4056254505).

12112220103 is an equidigital number, since it uses as much as digits as its factorization.

12112220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711953.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12112220103 its reverse (30102221121), we get a palindrome (42214441224).

The spelling of 12112220103 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred three".

Divisors: 1 3 857 2571 4711093 14133279 4037406701 12112220103