Base | Representation |
---|---|
bin | 110111111000101001… |
… | …0010010111000111100 |
3 | 102110202212011112221120 |
4 | 1233301102102320330 |
5 | 3431241112101022 |
6 | 131044410230540 |
7 | 11446005025044 |
oct | 1576122227074 |
9 | 373685145846 |
10 | 120012222012 |
11 | 46995852761 |
12 | 1b313a25450 |
13 | b4178a6427 |
14 | 5b46c08724 |
15 | 31c60bbd5c |
hex | 1bf1492e3c |
120012222012 has 24 divisors (see below), whose sum is σ = 282747244416. Its totient is φ = 39615684528.
The previous prime is 120012221981. The next prime is 120012222017. The reversal of 120012222012 is 210222210021.
It is a junction number, because it is equal to n+sod(n) for n = 120012221982 and 120012222000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120012222017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48547398 + ... + 48549869.
It is an arithmetic number, because the mean of its divisors is an integer number (11781135184).
Almost surely, 2120012222012 is an apocalyptic number.
120012222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120012222012 is an abundant number, since it is smaller than the sum of its proper divisors (162735022404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120012222012 is a wasteful number, since it uses less digits than its factorization.
120012222012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97097377 (or 97097375 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 120012222012 its reverse (210222210021), we get a palindrome (330234432033).
The spelling of 120012222012 in words is "one hundred twenty billion, twelve million, two hundred twenty-two thousand, twelve".
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