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13123300001212 = 224376298255821
BaseRepresentation
bin1011111011111000000110…
…1000101000010110111100
31201110120112100012120102001
42332332001220220112330
53210003004300014322
643524432155312044
72523061415332522
oct276760150502674
951416470176361
1013123300001212
1141aa6187aa645
12157b47274b624
137426a275550b
14335257748312
1517b5791e0827
hexbef81a285bc

13123300001212 has 12 divisors (see below), whose sum is σ = 23499862793176. Its totient is φ = 6409053488880.

The previous prime is 13123300001191. The next prime is 13123300001213. The reversal of 13123300001212 is 21210000332131.

It is a self number, because there is not a number n which added to its sum of digits gives 13123300001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123300001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38149127739 + ... + 38149128082.

Almost surely, 213123300001212 is an apocalyptic number.

It is an amenable number.

13123300001212 is a deficient number, since it is larger than the sum of its proper divisors (10376562791964).

13123300001212 is a wasteful number, since it uses less digits than its factorization.

13123300001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76298255868 (or 76298255866 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123300001212 its reverse (21210000332131), we get a palindrome (34333300333343).

The spelling of 13123300001212 in words is "thirteen trillion, one hundred twenty-three billion, three hundred million, one thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 76298255821 152596511642 305193023284 3280825000303 6561650000606 13123300001212