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12232300000 = 2555122323
BaseRepresentation
bin10110110010001101…
…00001010111100000
31011120111020020001011
423121012201113200
5200022432100000
65341444350304
7612061556134
oct133106412740
934514206034
1012232300000
1152078a6048
1224546a5394
1311cc31a94b
1484080b3c4
154b8d5a2ba
hex2d91a15e0

12232300000 has 72 divisors (see below), whose sum is σ = 30101245272. Its totient is φ = 4892880000.

The previous prime is 12232299991. The next prime is 12232300009. The reversal of 12232300000 is 323221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12232299991) and next prime (12232300009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232300009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38839 + ... + 161161.

It is an arithmetic number, because the mean of its divisors is an integer number (418072851).

Almost surely, 212232300000 is an apocalyptic number.

12232300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15050622636).

12232300000 is an abundant number, since it is smaller than the sum of its proper divisors (17868945272).

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

12232300000 is an frugal number, since it uses more digits than its factorization.

12232300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122358 (or 122330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12232300000 its reverse (323221), we get a palindrome (12232623221).

The spelling of 12232300000 in words is "twelve billion, two hundred thirty-two million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 122323 244646 489292 611615 978584 1223230 1957168 2446460 3058075 3914336 4892920 6116150 9785840 12232300 15290375 19571680 24464600 30580750 48929200 61161500 76451875 97858400 122323000 152903750 244646000 305807500 382259375 489292000 611615000 764518750 1223230000 1529037500 2446460000 3058075000 6116150000 12232300000