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12303123200 = 285219235383
BaseRepresentation
bin10110111010101001…
…01100001100000000
31011202102111102012122
423131110230030000
5200144044420300
65352454343412
7613611551564
oct133524541400
934672442178
1012303123200
115243879615
12247435ab68
131210bb7074
14849da56a4
154c0199c85
hex2dd52c300

12303123200 has 432 divisors, whose sum is σ = 34490292480. Its totient is φ = 4322672640.

The previous prime is 12303123197. The next prime is 12303123211. The reversal of 12303123200 is 232130321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148230359 + ... + 148230441.

It is an arithmetic number, because the mean of its divisors is an integer number (79838640).

Almost surely, 212303123200 is an apocalyptic number.

12303123200 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 12303123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17245146240).

12303123200 is an abundant number, since it is smaller than the sum of its proper divisors (22187169280).

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

12303123200 is a wasteful number, since it uses less digits than its factorization.

12303123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12303123200 its reverse (232130321), we get a palindrome (12535253521).

The spelling of 12303123200 in words is "twelve billion, three hundred three million, one hundred twenty-three thousand, two hundred".