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12030313001221 = 131214142893251
BaseRepresentation
bin1010111100010000011010…
…0010000111000100000101
31120121002100012100010010101
42233010012202013010011
53034101040112014341
641330352142524101
72351106241200244
oct257040642070405
946532305303111
1012030313001221
113919033072329
12142367b596631
136935b88853b8
142d83ad82295b
1515ce09275831
hexaf106887105

12030313001221 has 8 divisors (see below), whose sum is σ = 12127809643488. Its totient is φ = 11932902150000.

The previous prime is 12030313001219. The next prime is 12030313001251. The reversal of 12030313001221 is 12210031303021.

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 12030313001221 - 21 = 12030313001219 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 (12030313001251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21166155 + ... + 21727096.

It is an arithmetic number, because the mean of its divisors is an integer number (1515976205436).

Almost surely, 212030313001221 is an apocalyptic number.

It is an amenable number.

12030313001221 is a deficient number, since it is larger than the sum of its proper divisors (97496642267).

12030313001221 is a wasteful number, since it uses less digits than its factorization.

12030313001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42895523.

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

Adding to 12030313001221 its reverse (12210031303021), we get a palindrome (24240344304242).

The spelling of 12030313001221 in words is "twelve trillion, thirty billion, three hundred thirteen million, one thousand, two hundred twenty-one".

Divisors: 1 131 2141 280471 42893251 5619015881 91834450391 12030313001221