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120012112201020 = 2235131793061280811
BaseRepresentation
bin11011010010011001111111…
…010100010000010100111100
3120201221001020110000121011020
4123102121333110100110330
5111212234301210413040
61103124445255224140
734164406006200444
oct3322317724202474
9521831213017136
10120012112201020
113526a93a6a00a6
1211563199678050
1351c712a8b7620
14218c88d937124
15dd1bccb8acd0
hex6d267f51053c

120012112201020 has 192 divisors, whose sum is σ = 364024548195840. Its totient is φ = 29366705433600.

The previous prime is 120012112201019. The next prime is 120012112201061. The reversal of 120012112201020 is 20102211210021.

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

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, 427236415 + ... + 427517225.

It is an arithmetic number, because the mean of its divisors is an integer number (1895961188520).

Almost surely, 2120012112201020 is an apocalyptic number.

120012112201020 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 120012112201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182012274097920).

120012112201020 is an abundant number, since it is smaller than the sum of its proper divisors (244012435994820).

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

120012112201020 is a wasteful number, since it uses less digits than its factorization.

120012112201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284076 (or 284074 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120012112201020 its reverse (20102211210021), we get a palindrome (140114323411041).

Subtracting from 120012112201020 its reverse (20102211210021), we obtain a palindrome (99909900990999).

The spelling of 120012112201020 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, two hundred one thousand, twenty".