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12120012002012 = 2217376872278453
BaseRepresentation
bin1011000001011110100100…
…0000101001001011011100
31120220122212110211110221212
42300113221000221023130
53042033241033031022
641435505011443552
72360433124133135
oct260275100511334
946818773743855
1012120012002012
113953082897242
121438b335b65b8
1369bbb2219b25
142dc87c76ac8c
15160408e973e2
hexb05e90292dc

12120012002012 has 24 divisors (see below), whose sum is σ = 21335406800736. Its totient is φ = 6024190632768.

The previous prime is 12120012001991. The next prime is 12120012002017. The reversal of 12120012002012 is 21020021002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120012002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180178 + ... + 6458630.

It is an arithmetic number, because the mean of its divisors is an integer number (888975283364).

Almost surely, 212120012002012 is an apocalyptic number.

It is an amenable number.

12120012002012 is a deficient number, since it is larger than the sum of its proper divisors (9215394798724).

12120012002012 is a wasteful number, since it uses less digits than its factorization.

12120012002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286317 (or 2286315 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120012002012 its reverse (21020021002121), we get a palindrome (33140033004133).

The spelling of 12120012002012 in words is "twelve trillion, one hundred twenty billion, twelve million, two thousand, twelve".

Divisors: 1 2 4 173 346 692 7687 15374 30748 1329851 2278453 2659702 4556906 5319404 9113812 394172369 788344738 1576689476 17514468211 35028936422 70057872844 3030003000503 6060006001006 12120012002012