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12011322121213 = 71563300485881
BaseRepresentation
bin1010111011001001101010…
…0101101001101111111101
31120112021022200122110021011
42232302122211221233331
53033243141430334323
641313531502235221
72346534521320162
oct256623245515775
946467280573234
1012011322121213
113910a78226078
12141ba5b585b11
1369188028baac
142d74cb580069
1515c696ddd20d
hexaec9a969bfd

12011322121213 has 8 divisors (see below), whose sum is σ = 12202130696256. Its totient is φ = 11821114519200.

The previous prime is 12011322121129. The next prime is 12011322121223. The reversal of 12011322121213 is 31212122311021.

It is a happy number.

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 12011322121213 - 29 = 12011322120701 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 (12011322121223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150202968 + ... + 150282913.

It is an arithmetic number, because the mean of its divisors is an integer number (1525266337032).

Almost surely, 212011322121213 is an apocalyptic number.

It is an amenable number.

12011322121213 is a deficient number, since it is larger than the sum of its proper divisors (190808575043).

12011322121213 is an equidigital number, since it uses as much as digits as its factorization.

12011322121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300486515.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12011322121213 its reverse (31212122311021), we get a palindrome (43223444432234).

The spelling of 12011322121213 in words is "twelve trillion, eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 71 563 39973 300485881 21334497551 169173551003 12011322121213