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12003031201201 = 26888834463947
BaseRepresentation
bin1010111010101010110001…
…1010010011010110110001
31120111110220212211002010121
42232222230122103112301
53033124201441414301
641310041051130241
72346122205545545
oct256525432232661
946443825732117
1012003031201201
113908503216167
12141a326a43981
13690b5b6a9a71
142d6d423c7a25
1515c35e0c93a1
hexaeaac6935b1

12003031201201 has 4 divisors (see below), whose sum is σ = 12003038354032. Its totient is φ = 12003024048372.

The previous prime is 12003031201159. The next prime is 12003031201211. The reversal of 12003031201201 is 10210213030021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12003031201201 - 223 = 12003022812593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003031201211) 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 3 ways as a sum of consecutive naturals, for example, 456910 + ... + 4920856.

It is an arithmetic number, because the mean of its divisors is an integer number (3000759588508).

Almost surely, 212003031201201 is an apocalyptic number.

It is an amenable number.

12003031201201 is a deficient number, since it is larger than the sum of its proper divisors (7152831).

12003031201201 is an equidigital number, since it uses as much as digits as its factorization.

12003031201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152830.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12003031201201 its reverse (10210213030021), we get a palindrome (22213244231222).

The spelling of 12003031201201 in words is "twelve trillion, three billion, thirty-one million, two hundred one thousand, two hundred one".

Divisors: 1 2688883 4463947 12003031201201