Base | Representation |
---|---|
bin | 110111111011111000… |
… | …1101101010111010100 |
3 | 102111001110002011012020 |
4 | 1233313301231113110 |
5 | 3432002001321322 |
6 | 131103300253140 |
7 | 11451466450362 |
oct | 1576761552724 |
9 | 374043064166 |
10 | 120121120212 |
11 | 46a41271575 |
12 | 1b3443a11b0 |
13 | b434314132 |
14 | 5b57474632 |
15 | 31d092d05c |
hex | 1bf7c6d5d4 |
120121120212 has 96 divisors (see below), whose sum is σ = 288712771200. Its totient is φ = 38855731200.
The previous prime is 120121120201. The next prime is 120121120241. The reversal of 120121120212 is 212021121021.
It is a junction number, because it is equal to n+sod(n) for n = 120121120191 and 120121120200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33940339 + ... + 33943877.
It is an arithmetic number, because the mean of its divisors is an integer number (3007424700).
Almost surely, 2120121120212 is an apocalyptic number.
120121120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120121120212 is an abundant number, since it is smaller than the sum of its proper divisors (168591650988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120121120212 is a wasteful number, since it uses less digits than its factorization.
120121120212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4217 (or 4215 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 120121120212 its reverse (212021121021), we get a palindrome (332142241233).
The spelling of 120121120212 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".
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