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12013012121311 = 109251439088129
BaseRepresentation
bin1010111011001111111101…
…0100011111011011011111
31120112102200110200100120101
42232303333110133123133
53033310122100340221
641314411313001531
72346624432143155
oct256637724373337
946472613610511
1012013012121311
113911765189173
1214202515532a7
13691a8c446856
142d760bbc13d5
1515c745468d91
hexaecff51f6df

12013012121311 has 8 divisors (see below), whose sum is σ = 12171522963600. Its totient is φ = 11855379456000.

The previous prime is 12013012121261. The next prime is 12013012121351. The reversal of 12013012121311 is 11312121031021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013012121311 - 27 = 12013012121183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013012121351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219516706 + ... + 219571423.

It is an arithmetic number, because the mean of its divisors is an integer number (1521440370450).

Almost surely, 212013012121311 is an apocalyptic number.

12013012121311 is a deficient number, since it is larger than the sum of its proper divisors (158510842289).

12013012121311 is a wasteful number, since it uses less digits than its factorization.

12013012121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439088489.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12013012121311 its reverse (11312121031021), we get a palindrome (23325133152332).

The spelling of 12013012121311 in words is "twelve trillion, thirteen billion, twelve million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 109 251 27359 439088129 47860606061 110211120379 12013012121311