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12012000220000 = 255411433126097
BaseRepresentation
bin1010111011001100001100…
…0000011001001101100000
31120112100001221121102221001
42232303003000121031200
53033301034024020000
641314123044241344
72346560364133444
oct256630300311540
946470057542831
1012012000220000
113911295a767a0
12142000a6a0254
1369195a900591
142d7553656824
1515c6d66d646a
hexaecc3019360

12012000220000 has 240 divisors, whose sum is σ = 32312514647952. Its totient is φ = 4357877760000.

The previous prime is 12012000219997. The next prime is 12012000220021. The reversal of 12012000220000 is 2200021021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 95196952 + ... + 95323048.

Almost surely, 212012000220000 is an apocalyptic number.

12012000220000 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 12012000220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16156257323976).

12012000220000 is an abundant number, since it is smaller than the sum of its proper divisors (20300514427952).

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

12012000220000 is a wasteful number, since it uses less digits than its factorization.

12012000220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126571 (or 126548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12012000220000 its reverse (2200021021), we get a palindrome (12014200241021).

The spelling of 12012000220000 in words is "twelve trillion, twelve billion, two hundred twenty thousand".