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120112201222020 = 223357272911643721
BaseRepresentation
bin11011010011110111001101…
…000101100100011110000100
3120202021121120211011200021000
4123103313031011210132010
5111220404242003101040
61103242441122253300
734204551213633420
oct3323671505443604
9522247524150230
10120112201222020
11352a93312a8a77
121157a6711b7230
1352036bb9954c7
14219366672bb80
15dd45d9b0c130
hex6d3dcd164784

120112201222020 has 192 divisors, whose sum is σ = 427222132646400. Its totient is φ = 27444154890240.

The previous prime is 120112201221979. The next prime is 120112201222103. The reversal of 120112201222020 is 20222102211021.

It is a happy number.

120112201222020 is a `hidden beast` number, since 1 + 201 + 1 + 220 + 1 + 2 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120112201221984 and 120112201222002.

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, 4493760 + ... + 16137480.

It is an arithmetic number, because the mean of its divisors is an integer number (2225115274200).

Almost surely, 2120112201222020 is an apocalyptic number.

120112201222020 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 120112201222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213611066323200).

120112201222020 is an abundant number, since it is smaller than the sum of its proper divisors (307109931424380).

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

120112201222020 is a wasteful number, since it uses less digits than its factorization.

120112201222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646475 (or 11646467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120112201222020 its reverse (20222102211021), we get a palindrome (140334303433041).

The spelling of 120112201222020 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred one million, two hundred twenty-two thousand, twenty".