Search a number
-
+
12001310120203 = 291393151194483
BaseRepresentation
bin1010111010100100010111…
…0100111001100100001011
31120111022110221022002211221
42232221011310321210023
53033112140342321303
641305154210302511
72346031436602645
oct256510564714413
946438427262757
1012001310120203
1139077aa764578
121419b26587a37
13690945c5c041
142d6c1b9b5895
1515c2ace5e4bd
hexaea45d3990b

12001310120203 has 16 divisors (see below), whose sum is σ = 12504995193600. Its totient is φ = 11503621896480.

The previous prime is 12001310120201. The next prime is 12001310120213. The reversal of 12001310120203 is 30202101310021.

12001310120203 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 12001310120203 - 21 = 12001310120201 is a prime.

It is a super-2 number, since 2×120013101202032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001310120201) 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, 126973600 + ... + 127068082.

It is an arithmetic number, because the mean of its divisors is an integer number (781562199600).

Almost surely, 212001310120203 is an apocalyptic number.

12001310120203 is a deficient number, since it is larger than the sum of its proper divisors (503685073397).

12001310120203 is a wasteful number, since it uses less digits than its factorization.

12001310120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126162.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12001310120203 its reverse (30202101310021), we get a palindrome (42203411430224).

The spelling of 12001310120203 in words is "twelve trillion, one billion, three hundred ten million, one hundred twenty thousand, two hundred three".

Divisors: 1 29 139 4031 31511 94483 913819 2740007 4380029 13133137 127020841 380860973 2977253813 86340360577 413838280007 12001310120203