Base | Representation |
---|---|
bin | 1011000001100011000001… |
… | …1111001110110111000101 |
3 | 1120220202222001100012110202 |
4 | 2300120300133032313011 |
5 | 3042043220031444023 |
6 | 41440224010500245 |
7 | 2360504625153023 |
oct | 260306037166705 |
9 | 46822861305422 |
10 | 12121211203013 |
11 | 39536387a7750 |
12 | 1439209134685 |
13 | 69c0437c1713 |
14 | 2dc953b2d713 |
15 | 1604793c6128 |
hex | b06307cedc5 |
12121211203013 has 16 divisors (see below), whose sum is σ = 13300034526720. Its totient is φ = 10955389196400.
The previous prime is 12121211202977. The next prime is 12121211203033. The reversal of 12121211203013 is 31030211212121.
12121211203013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12121211203013 - 212 = 12121211198917 is a prime.
It is a super-2 number, since 2×121212112030132 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12121211203033) 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, 3329495 + ... + 5943732.
It is an arithmetic number, because the mean of its divisors is an integer number (831252157920).
Almost surely, 212121211203013 is an apocalyptic number.
It is an amenable number.
12121211203013 is a deficient number, since it is larger than the sum of its proper divisors (1178823323707).
12121211203013 is a wasteful number, since it uses less digits than its factorization.
12121211203013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9273928.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 12121211203013 its reverse (31030211212121), we get a palindrome (43151422415134).
The spelling of 12121211203013 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, two hundred three thousand, thirteen".
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