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12012000220213 = 72245142861637
BaseRepresentation
bin1010111011001100001100…
…0000011001010000110101
31120112100001221121110012221
42232303003000121100311
53033301034024021323
641314123044242341
72346560364134200
oct256630300312065
946470057543187
1012012000220213
113911295a76974
12142000a6a03b1
1369195a9006c6
142d7553656937
1515c6d66d655d
hexaecc3019435

12012000220213 has 6 divisors (see below), whose sum is σ = 13973143113366. Its totient is φ = 10296000188712.

The previous prime is 12012000220193. The next prime is 12012000220223. The reversal of 12012000220213 is 31202200021021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9848506362289 + 2163493857924 = 3138233^2 + 1470882^2 .

It is not a de Polignac number, because 12012000220213 - 225 = 12011966665781 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 (12012000220223) 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 5 ways as a sum of consecutive naturals, for example, 122571430770 + ... + 122571430867.

It is an arithmetic number, because the mean of its divisors is an integer number (2328857185561).

Almost surely, 212012000220213 is an apocalyptic number.

It is an amenable number.

12012000220213 is a deficient number, since it is larger than the sum of its proper divisors (1961142893153).

12012000220213 is an equidigital number, since it uses as much as digits as its factorization.

12012000220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245142861651 (or 245142861644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012000220213 its reverse (31202200021021), we get a palindrome (43214200241234).

The spelling of 12012000220213 in words is "twelve trillion, twelve billion, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 7 49 245142861637 1716000031459 12012000220213