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BaseRepresentation
bin1010111011101010000100…
…0010001111000101101001
31120120002202212122020210111
42232322201002033011221
53033414000133241243
641321530540414321
72350263210010516
oct256724102170551
946502685566714
1012020020212073
113914731059515
1214216885473a1
13692638323313
142d7ab484630d
1515ca0583039d
hexaeea108f169

12020020212073 has 2 divisors, whose sum is σ = 12020020212074. Its totient is φ = 12020020212072.

The previous prime is 12020020211999. The next prime is 12020020212077. The reversal of 12020020212073 is 37021202002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8712957939984 + 3307062272089 = 2951772^2 + 1818533^2 .

It is an emirp because it is prime and its reverse (37021202002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020020212073 - 29 = 12020020211561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020020212077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010106036 + 6010010106037.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010106037).

Almost surely, 212020020212073 is an apocalyptic number.

It is an amenable number.

12020020212073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020212073 is an equidigital number, since it uses as much as digits as its factorization.

12020020212073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12020020212073 its reverse (37021202002021), we get a palindrome (49041222214094).

The spelling of 12020020212073 in words is "twelve trillion, twenty billion, twenty million, two hundred twelve thousand, seventy-three".