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12232220300 = 2252294218007
BaseRepresentation
bin10110110010001100…
…01101111010001100
31011120111002011201022
423121012031322030
5200022422022200
65341442533312
7612061104566
oct133106157214
934514064638
1012232220300
115207851183
122454667238
1311cc2c05a1
148407ca336
154b8d41885
hex2d918de8c

12232220300 has 36 divisors (see below), whose sum is σ = 27459232080. Its totient is φ = 4724166720.

The previous prime is 12232220279. The next prime is 12232220309. The reversal of 12232220300 is 302223221.

12232220300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12232220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106104 + ... + 2111903.

Almost surely, 212232220300 is an apocalyptic number.

12232220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232220300 is an abundant number, since it is smaller than the sum of its proper divisors (15227011780).

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

12232220300 is a wasteful number, since it uses less digits than its factorization.

12232220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218050 (or 4218043 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12232220300 its reverse (302223221), we get a palindrome (12534443521).

The spelling of 12232220300 in words is "twelve billion, two hundred thirty-two million, two hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 4218007 8436014 16872028 21090035 42180070 84360140 105450175 122322203 210900350 244644406 421800700 489288812 611611015 1223222030 2446444060 3058055075 6116110150 12232220300