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12023231211203 = 26987445519369
BaseRepresentation
bin1010111011110110000001…
…1011001110011011000011
31120120102001122200220112012
42232331200123032123003
53033442034142224303
641323221323323135
72350435610031152
oct256754033163303
946512048626465
1012023231211203
113916029634703
1214222239804ab
13692a2a6433c4
142d7cdb095599
1515cb426a25d8
hexaef606ce6c3

12023231211203 has 4 divisors (see below), whose sum is σ = 12023676757560. Its totient is φ = 12022785664848.

The previous prime is 12023231211143. The next prime is 12023231211221. The reversal of 12023231211203 is 30211213232021.

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 12023231211203 - 230 = 12022157469379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023231211253) 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, 222732698 + ... + 222786671.

It is an arithmetic number, because the mean of its divisors is an integer number (3005919189390).

Almost surely, 212023231211203 is an apocalyptic number.

12023231211203 is a deficient number, since it is larger than the sum of its proper divisors (445546357).

12023231211203 is an equidigital number, since it uses as much as digits as its factorization.

12023231211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445546356.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12023231211203 its reverse (30211213232021), we get a palindrome (42234444443224).

The spelling of 12023231211203 in words is "twelve trillion, twenty-three billion, two hundred thirty-one million, two hundred eleven thousand, two hundred three".

Divisors: 1 26987 445519369 12023231211203