Base | Representation |
---|---|
bin | 1010111011101110110110… |
… | …0000001001010010000111 |
3 | 1120120020002021122210001002 |
4 | 2232323231200021102013 |
5 | 3033424112044333111 |
6 | 41322302125523515 |
7 | 2350340045366051 |
oct | 256735540112207 |
9 | 46506067583032 |
10 | 12021303121031 |
11 | 391522a242a56 |
12 | 142198611359b |
13 | 6927b1055c49 |
14 | 2d7b96d988d1 |
15 | 15ca7d29663b |
hex | aeeed809487 |
12021303121031 has 2 divisors, whose sum is σ = 12021303121032. Its totient is φ = 12021303121030.
The previous prime is 12021303120979. The next prime is 12021303121033. The reversal of 12021303121031 is 13012130312021.
It is a happy number.
12021303121031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12021303121031 - 226 = 12021236012167 is a prime.
It is a super-2 number, since 2×120213031210312 (a number of 27 digits) contains 22 as substring.
Together with 12021303121033, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12021303120994 and 12021303121012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12021303121033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010651560515 + 6010651560516.
It is an arithmetic number, because the mean of its divisors is an integer number (6010651560516).
Almost surely, 212021303121031 is an apocalyptic number.
12021303121031 is a deficient number, since it is larger than the sum of its proper divisors (1).
12021303121031 is an equidigital number, since it uses as much as digits as its factorization.
12021303121031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12021303121031 its reverse (13012130312021), we get a palindrome (25033433433052).
The spelling of 12021303121031 in words is "twelve trillion, twenty-one billion, three hundred three million, one hundred twenty-one thousand, thirty-one".
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