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120020001012000 = 25325313553245989
BaseRepresentation
bin11011010010100001010101…
…100001101011100100100000
3120201221210121020012201101200
4123102201111201223210200
5111212401430224341000
61103132232144001200
734165105340034405
oct3322412541534440
9521853536181350
10120020001012000
11352732187245a1
121156481b600200
1351c7ab709a10b
14218cddb53a2ac
15dd1ee0521500
hex6d285586b920

120020001012000 has 288 divisors, whose sum is σ = 425984143843440. Its totient is φ = 32002842009600.

The previous prime is 120020001011987. The next prime is 120020001012083. The reversal of 120020001012000 is 210100020021.

120020001012000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7432537207824 + 112587463804176 = 2726268^2 + 10610724^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 487785006 + ... + 488030994.

Almost surely, 2120020001012000 is an apocalyptic number.

120020001012000 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 120020001012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212992071921720).

120020001012000 is an abundant number, since it is smaller than the sum of its proper divisors (305964142831440).

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

120020001012000 is a wasteful number, since it uses less digits than its factorization.

120020001012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259573 (or 259552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020001012000 its reverse (210100020021), we get a palindrome (120230101032021).

The spelling of 120020001012000 in words is "one hundred twenty trillion, twenty billion, one million, twelve thousand".