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12233220000 = 25354316577
BaseRepresentation
bin10110110010010100…
…00001111110100000
31011120112221222001020
423121022001332200
5200023201020000
65341520205440
7612102440301
oct133112017640
934515858036
1012233220000
115208374281
122454a69880
1311cc580621
148409aa7a8
154b8e8cba0
hex2d9281fa0

12233220000 has 240 divisors, whose sum is σ = 41428138752. Its totient is φ = 3156480000.

The previous prime is 12233219993. The next prime is 12233220023. The reversal of 12233220000 is 2233221.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1856712 + ... + 1863288.

Almost surely, 212233220000 is an apocalyptic number.

12233220000 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 12233220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20714069376).

12233220000 is an abundant number, since it is smaller than the sum of its proper divisors (29194918752).

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

12233220000 is an equidigital number, since it uses as much as digits as its factorization.

12233220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641 (or 6618 counting only the distinct ones).

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

Adding to 12233220000 its reverse (2233221), we get a palindrome (12235453221).

It can be divided in two parts, 1223 and 3220000, that added together give a palindrome (3221223).

The spelling of 12233220000 in words is "twelve billion, two hundred thirty-three million, two hundred twenty thousand".