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12002120413013 = 25934628661941
BaseRepresentation
bin1010111010100111011000…
…0111111010111101010101
31120111101120102000020121202
42232221312013322331111
53033120320311204023
641305410433522245
72346060506145443
oct256516607727525
946441512006552
1012002120413013
113908086095555
12141a111a13385
13690a44aa6b43
142d6c9745db93
1515c30916b128
hexaea761faf55

12002120413013 has 4 divisors (see below), whose sum is σ = 12006749077548. Its totient is φ = 11997491748480.

The previous prime is 12002120413001. The next prime is 12002120413027. The reversal of 12002120413013 is 31031402120021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8508054758449 + 3494065654564 = 2916857^2 + 1869242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002120413013 - 212 = 12002120408917 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 (12002120433013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314328378 + ... + 2314333563.

It is an arithmetic number, because the mean of its divisors is an integer number (3001687269387).

Almost surely, 212002120413013 is an apocalyptic number.

It is an amenable number.

12002120413013 is a deficient number, since it is larger than the sum of its proper divisors (4628664535).

12002120413013 is an equidigital number, since it uses as much as digits as its factorization.

12002120413013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628664534.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12002120413013 its reverse (31031402120021), we get a palindrome (43033522533034).

The spelling of 12002120413013 in words is "twelve trillion, two billion, one hundred twenty million, four hundred thirteen thousand, thirteen".

Divisors: 1 2593 4628661941 12002120413013