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12302203200 = 2635272315919
BaseRepresentation
bin10110111010100010…
…01011100101000000
31011202100202200012120
423131101023211000
5200143331000300
65352422524240
7613601000430
oct133521134500
934670680176
1012302203200
115243300391
122473b96680
1312109543a1
14849c062c0
154c00673a0
hex2dd44b940

12302203200 has 336 divisors, whose sum is σ = 48135966720. Its totient is φ = 2689505280.

The previous prime is 12302203183. The next prime is 12302203229. The reversal of 12302203200 is 230220321.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12302203200.

It is a congruent number.

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, 764841 + ... + 780759.

Almost surely, 212302203200 is an apocalyptic number.

12302203200 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 12302203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24067983360).

12302203200 is an abundant number, since it is smaller than the sum of its proper divisors (35833763520).

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

12302203200 is a wasteful number, since it uses less digits than its factorization.

12302203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974 (or 15959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12302203200 its reverse (230220321), we get a palindrome (12532423521).

The spelling of 12302203200 in words is "twelve billion, three hundred two million, two hundred three thousand, two hundred".