Base | Representation |
---|---|
bin | 11011100101100101101011… |
… | …010010000001101010010100 |
3 | 120220121001210101022120101000 |
4 | 123211211223102001222110 |
5 | 111400334004221012322 |
6 | 1110014215023503300 |
7 | 34361553465322101 |
oct | 3345455322015224 |
9 | 526531711276330 |
10 | 121330331032212 |
11 | 357289a4879875 |
12 | 1173676a457b30 |
13 | 529152a360a43 |
14 | 21d65c29d3aa8 |
15 | e061312933ac |
hex | 6e596b481a94 |
121330331032212 has 96 divisors (see below), whose sum is σ = 316107467594240. Its totient is φ = 40244980999680.
The previous prime is 121330331032201. The next prime is 121330331032219. The reversal of 121330331032212 is 212230133033121.
121330331032212 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 0 + 331 + 0 + 322 + 1 + 2 = 666.
It is a super-2 number, since 2×1213303310322122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121330331032219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14764512 + ... + 21462792.
Almost surely, 2121330331032212 is an apocalyptic number.
121330331032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121330331032212 is an abundant number, since it is smaller than the sum of its proper divisors (194777136562028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121330331032212 is a wasteful number, since it uses less digits than its factorization.
121330331032212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6699118 (or 6699110 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 121330331032212 its reverse (212230133033121), we get a palindrome (333560464065333).
The spelling of 121330331032212 in words is "one hundred twenty-one trillion, three hundred thirty billion, three hundred thirty-one million, thirty-two thousand, two hundred twelve".
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