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12112301123230 = 2571120117822109
BaseRepresentation
bin1011000001000001110101…
…1001111110011010011110
31120212220222002110020210211
42300100131121332122132
53041421443041420410
641432151520523034
72360041053553030
oct260203531763236
946786862406724
1012112301123230
11394a886242950
12143754118047a
1369b253865c69
142dc34a643c50
1516010705c68a
hexb041d67e69e

12112301123230 has 64 divisors (see below), whose sum is σ = 27195411432960. Its totient is φ = 3773384899200.

The previous prime is 12112301123227. The next prime is 12112301123249. The reversal of 12112301123230 is 3232110321121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2362585 + ... + 5459524.

It is an arithmetic number, because the mean of its divisors is an integer number (424928303640).

Almost surely, 212112301123230 is an apocalyptic number.

12112301123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112301123230 is an abundant number, since it is smaller than the sum of its proper divisors (15083110309730).

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

12112301123230 is a wasteful number, since it uses less digits than its factorization.

12112301123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824145.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12112301123230 its reverse (3232110321121), we get a palindrome (15344411444351).

The spelling of 12112301123230 in words is "twelve trillion, one hundred twelve billion, three hundred one million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 2011 4022 10055 14077 20110 22121 28154 44242 70385 110605 140770 154847 221210 309694 774235 1548470 7822109 15644218 39110545 54754763 78221090 86043199 109509526 172086398 273773815 430215995 547547630 602302393 860431990 1204604786 3011511965 6023023930 15730261199 31460522398 78651305995 110111828393 157302611990 173032873189 220223656786 346065746378 550559141965 865164365945 1101118283930 1211230112323 1730328731890 2422460224646 6056150561615 12112301123230