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12112201230 = 2353710911893
BaseRepresentation
bin10110100011111000…
…11000011000001110
31011021010020120111120
423101330120120032
5144301210414410
65321514301410
7606103004013
oct132174303016
934233216446
1012112201230
115156027068
122420427866
1311b048aa9c
1482c8a770a
154ad535570
hex2d1f1860e

12112201230 has 32 divisors (see below), whose sum is σ = 29854941984. Its totient is φ = 3142624896.

The previous prime is 12112201207. The next prime is 12112201271. The reversal of 12112201230 is 3210221121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5454837 + ... + 5457056.

It is an arithmetic number, because the mean of its divisors is an integer number (932966937).

Almost surely, 212112201230 is an apocalyptic number.

12112201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112201230 is an abundant number, since it is smaller than the sum of its proper divisors (17742740754).

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

12112201230 is a wasteful number, since it uses less digits than its factorization.

12112201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10911940.

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

Adding to 12112201230 its reverse (3210221121), we get a palindrome (15322422351).

The spelling of 12112201230 in words is "twelve billion, one hundred twelve million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 10911893 21823786 32735679 54559465 65471358 109118930 163678395 327356790 403740041 807480082 1211220123 2018700205 2422440246 4037400410 6056100615 12112201230