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12001230313103 = 31387136461713
BaseRepresentation
bin1010111010100100000100…
…0100011101011010001111
31120111022021101010111002102
42232221001010131122033
53033112004430004403
641305142235545315
72346026450342123
oct256510104353217
946438241114072
1012001230313103
113907769705299
121419b038bb23b
136909325686c5
142d6c1115d583
1515c2a5e47b88
hexaea4111d68f

12001230313103 has 4 divisors (see below), whose sum is σ = 12388366774848. Its totient is φ = 11614093851360.

The previous prime is 12001230313099. The next prime is 12001230313109. The reversal of 12001230313103 is 30131303210021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001230313103 - 22 = 12001230313099 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 (12001230313109) 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, 193568230826 + ... + 193568230887.

It is an arithmetic number, because the mean of its divisors is an integer number (3097091693712).

Almost surely, 212001230313103 is an apocalyptic number.

12001230313103 is a deficient number, since it is larger than the sum of its proper divisors (387136461745).

12001230313103 is an equidigital number, since it uses as much as digits as its factorization.

12001230313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387136461744.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12001230313103 its reverse (30131303210021), we get a palindrome (42132533523124).

The spelling of 12001230313103 in words is "twelve trillion, one billion, two hundred thirty million, three hundred thirteen thousand, one hundred three".

Divisors: 1 31 387136461713 12001230313103