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12201000000 = 263567283
BaseRepresentation
bin10110101110011110…
…00111110001000000
31011111022100000111220
423113033013301000
5144441424000000
65334405435040
7611231534400
oct132717076100
934438300456
1012201000000
1151a1167982
12244610ba80
1311c59ac037
1483a5c0800
154b62261a0
hex2d73c7c40

12201000000 has 588 divisors, whose sum is σ = 47505329424. Its totient is φ = 2755200000.

The previous prime is 12200999999. The next prime is 12201000023. The reversal of 12201000000 is 10221.

It is a happy number.

12201000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (588).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

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 83 ways as a sum of consecutive naturals, for example, 146999959 + ... + 147000041.

Almost surely, 212201000000 is an apocalyptic number.

12201000000 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 12201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23752664712).

12201000000 is an abundant number, since it is smaller than the sum of its proper divisors (35304329424).

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

12201000000 is an frugal number, since it uses more digits than its factorization.

12201000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 12201000000 its reverse (10221), we get a palindrome (12201010221).

The spelling of 12201000000 in words is "twelve billion, two hundred one million", and thus it is an aban number.