Base | Representation |
---|---|
bin | 1011000001100010100111… |
… | …1110101010100000100100 |
3 | 1120220202200102212020010122 |
4 | 2300120221332222200210 |
5 | 3042043004103032322 |
6 | 41440205110141112 |
7 | 2360502131030240 |
oct | 260305176524044 |
9 | 46822612766118 |
10 | 12121102002212 |
11 | 39535920a1555 |
12 | 1439198651798 |
13 | 69c026ca9068 |
14 | 2dc943425420 |
15 | 16046ea05442 |
hex | b0629faa824 |
12121102002212 has 24 divisors (see below), whose sum is σ = 24244449465600. Its totient is φ = 5194276830720.
The previous prime is 12121102002199. The next prime is 12121102002239. The reversal of 12121102002212 is 21220020112121.
It is a super-2 number, since 2×121211020022122 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19740989 + ... + 20345732.
It is an arithmetic number, because the mean of its divisors is an integer number (1010185394400).
Almost surely, 212121102002212 is an apocalyptic number.
It is an amenable number.
12121102002212 is an abundant number, since it is smaller than the sum of its proper divisors (12123347463388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12121102002212 is a wasteful number, since it uses less digits than its factorization.
12121102002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40097531 (or 40097529 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12121102002212 its reverse (21220020112121), we get a palindrome (33341122114333).
The spelling of 12121102002212 in words is "twelve trillion, one hundred twenty-one billion, one hundred two million, two thousand, two hundred twelve".
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