Base | Representation |
---|---|
bin | 10001101001000100100… |
… | …111100111001001000101 |
3 | 11021220020111120020022101 |
4 | 101221010213213021011 |
5 | 124330323443341401 |
6 | 2324534310232101 |
7 | 153405501035050 |
oct | 21510447471105 |
9 | 4256214506271 |
10 | 1212332012101 |
11 | 4281688a7331 |
12 | 176b5b655631 |
13 | 8a4264780a2 |
14 | 4296a28da97 |
15 | 21807690101 |
hex | 11a449e7245 |
1212332012101 has 16 divisors (see below), whose sum is σ = 1416931346304. Its totient is φ = 1015836885504.
The previous prime is 1212332012077. The next prime is 1212332012131. The reversal of 1212332012101 is 1012102332121.
It is not a de Polignac number, because 1212332012101 - 227 = 1212197794373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212332012131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10439911 + ... + 10555396.
It is an arithmetic number, because the mean of its divisors is an integer number (88558209144).
Almost surely, 21212332012101 is an apocalyptic number.
It is an amenable number.
1212332012101 is a deficient number, since it is larger than the sum of its proper divisors (204599334203).
1212332012101 is a wasteful number, since it uses less digits than its factorization.
1212332012101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20995500.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 1212332012101 its reverse (1012102332121), we get a palindrome (2224434344222).
The spelling of 1212332012101 in words is "one trillion, two hundred twelve billion, three hundred thirty-two million, twelve thousand, one hundred one".
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