Base | Representation |
---|---|
bin | 1010111011101101110000… |
… | …1001101011111100101101 |
3 | 1120120012022222220100220211 |
4 | 2232323130021223330231 |
5 | 3033423013034133122 |
6 | 41322213210342421 |
7 | 2350326612155035 |
oct | 256733411537455 |
9 | 46505288810824 |
10 | 12021012021037 |
11 | 391509a998248 |
12 | 142190472aa11 |
13 | 692765953126 |
14 | 2d7b6a4608c5 |
15 | 15ca62944877 |
hex | aeedc26bf2d |
12021012021037 has 2 divisors, whose sum is σ = 12021012021038. Its totient is φ = 12021012021036.
The previous prime is 12021012021001. The next prime is 12021012021079. The reversal of 12021012021037 is 73012021012021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11705902689321 + 315109331716 = 3421389^2 + 561346^2 .
It is a cyclic number.
It is not a de Polignac number, because 12021012021037 - 239 = 11471256207149 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12021012020999 and 12021012021017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12021010021037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010506010518 + 6010506010519.
It is an arithmetic number, because the mean of its divisors is an integer number (6010506010519).
Almost surely, 212021012021037 is an apocalyptic number.
It is an amenable number.
12021012021037 is a deficient number, since it is larger than the sum of its proper divisors (1).
12021012021037 is an equidigital number, since it uses as much as digits as its factorization.
12021012021037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 22.
Adding to 12021012021037 its reverse (73012021012021), we get a palindrome (85033033033058).
The spelling of 12021012021037 in words is "twelve trillion, twenty-one billion, twelve million, twenty-one thousand, thirty-seven".
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