Base | Representation |
---|---|
bin | 110111111001001111… |
… | …0100101100000011100 |
3 | 102110211020210121200200 |
4 | 1233302132211200130 |
5 | 3431311222034322 |
6 | 131050403023500 |
7 | 11446340021541 |
oct | 1576236454034 |
9 | 373736717620 |
10 | 120032221212 |
11 | 469a6072422 |
12 | 1b31a66ab90 |
13 | b41ba89387 |
14 | 5b49732bc8 |
15 | 31c7c1c8ac |
hex | 1bf27a581c |
120032221212 has 72 divisors (see below), whose sum is σ = 304646299776. Its totient is φ = 39848525184.
The previous prime is 120032221189. The next prime is 120032221217. The reversal of 120032221212 is 212122230021.
120032221212 is a `hidden beast` number, since 1 + 200 + 32 + 221 + 212 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120032221217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23593333 + ... + 23598419.
It is an arithmetic number, because the mean of its divisors is an integer number (4231198608).
Almost surely, 2120032221212 is an apocalyptic number.
120032221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120032221212 is an abundant number, since it is smaller than the sum of its proper divisors (184614078564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120032221212 is a wasteful number, since it uses less digits than its factorization.
120032221212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7627 (or 7622 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 120032221212 its reverse (212122230021), we get a palindrome (332154451233).
The spelling of 120032221212 in words is "one hundred twenty billion, thirty-two million, two hundred twenty-one thousand, two hundred twelve".
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