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12012321303113 = 103116624478671
BaseRepresentation
bin1010111011001101011000…
…1001001110101001001001
31120112100220022210011011012
42232303112021032221021
53033302213223144423
641314214554213305
72346601343243015
oct256632611165111
946470808704135
1012012321303113
11391144024023a
12142009a124235
136919ac2a07a1
142d7584157545
1515c7049ac078
hexaecd624ea49

12012321303113 has 4 divisors (see below), whose sum is σ = 12128945781888. Its totient is φ = 11895696824340.

The previous prime is 12012321303029. The next prime is 12012321303119. The reversal of 12012321303113 is 31130312321021.

12012321303113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012321303113 - 230 = 12011247561289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012321303119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58312239233 + ... + 58312239438.

It is an arithmetic number, because the mean of its divisors is an integer number (3032236445472).

Almost surely, 212012321303113 is an apocalyptic number.

It is an amenable number.

12012321303113 is a deficient number, since it is larger than the sum of its proper divisors (116624478775).

12012321303113 is a wasteful number, since it uses less digits than its factorization.

12012321303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116624478774.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12012321303113 its reverse (31130312321021), we get a palindrome (43142633624134).

The spelling of 12012321303113 in words is "twelve trillion, twelve billion, three hundred twenty-one million, three hundred three thousand, one hundred thirteen".

Divisors: 1 103 116624478671 12012321303113