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12302222303220 = 223519291013684337
BaseRepresentation
bin1011001100000101010110…
…0101110001111111110100
31121120002012000122211110020
42303001111211301333310
53103024422402200340
642055321330525140
72406543352135113
oct263012545617764
947502160584406
1012302222303220
113a13385854433
1214683054367b0
136b312ca5b6c5
14307605d25c7a
151650207549d0
hexb3055971ff4

12302222303220 has 192 divisors, whose sum is σ = 37880889580800. Its totient is φ = 2971048550400.

The previous prime is 12302222303213. The next prime is 12302222303233. The reversal of 12302222303220 is 2230322220321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1496892 + ... + 5181228.

It is an arithmetic number, because the mean of its divisors is an integer number (197296299900).

Almost surely, 212302222303220 is an apocalyptic number.

12302222303220 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 12302222303220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18940444790400).

12302222303220 is an abundant number, since it is smaller than the sum of its proper divisors (25578667277580).

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

12302222303220 is a wasteful number, since it uses less digits than its factorization.

12302222303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684498 (or 3684496 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12302222303220 its reverse (2230322220321), we get a palindrome (14532544523541).

The spelling of 12302222303220 in words is "twelve trillion, three hundred two billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty".