Base | Representation |
---|---|
bin | 110111111011010100… |
… | …1001100011111101100 |
3 | 102111000010022101202012 |
4 | 1233312221030133230 |
5 | 3431432120024322 |
6 | 131101341020352 |
7 | 11451146046506 |
oct | 1576651143754 |
9 | 374003271665 |
10 | 120102111212 |
11 | 46a31568856 |
12 | 1b339b546b8 |
13 | b4303b9ac5 |
14 | 5b54b26d76 |
15 | 31cde25ae2 |
hex | 1bf6a4c7ec |
120102111212 has 24 divisors (see below), whose sum is σ = 228377533440. Its totient is φ = 55055296080.
The previous prime is 120102111197. The next prime is 120102111221. The reversal of 120102111212 is 212111201021.
It is a super-2 number, since 2×1201021112122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25486208 + ... + 25490919.
It is an arithmetic number, because the mean of its divisors is an integer number (9515730560).
Almost surely, 2120102111212 is an apocalyptic number.
It is an amenable number.
120102111212 is a deficient number, since it is larger than the sum of its proper divisors (108275422228).
120102111212 is a wasteful number, since it uses less digits than its factorization.
120102111212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50977181 (or 50977179 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 120102111212 its reverse (212111201021), we get a palindrome (332213312233).
The spelling of 120102111212 in words is "one hundred twenty billion, one hundred two million, one hundred eleven thousand, two hundred twelve".
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