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12001223112313 = 231470473548473
BaseRepresentation
bin1010111010100100000010…
…1000111111011001111001
31120111022020212120122110111
42232221000220333121321
53033112001104043223
641305141421344321
72346026332211431
oct256510050773171
946438225518414
1012001223112313
113907765637226
121419b014080a1
13690930c16c96
142d6c102072c1
1515c2a54c430d
hexaea40a3f679

12001223112313 has 8 divisors (see below), whose sum is σ = 12523104114048. Its totient is φ = 11479349501664.

The previous prime is 12001223112293. The next prime is 12001223112323. The reversal of 12001223112313 is 31321132210021.

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 12001223112313 - 225 = 12001189557881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001223112323) 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 7 ways as a sum of consecutive naturals, for example, 1607845 + ... + 5156317.

It is an arithmetic number, because the mean of its divisors is an integer number (1565388014256).

Almost surely, 212001223112313 is an apocalyptic number.

It is an amenable number.

12001223112313 is a deficient number, since it is larger than the sum of its proper divisors (521881001735).

12001223112313 is a wasteful number, since it uses less digits than its factorization.

12001223112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695543.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12001223112313 its reverse (31321132210021), we get a palindrome (43322355322334).

The spelling of 12001223112313 in words is "twelve trillion, one billion, two hundred twenty-three million, one hundred twelve thousand, three hundred thirteen".

Divisors: 1 23 147047 3382081 3548473 81614879 521792309231 12001223112313