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12211001032331 is a prime number
BaseRepresentation
bin1011000110110001100001…
…1000001111111010001011
31121020100201122202010121202
42301230120120033322023
53100031112231013311
641545353442254415
72400133663132043
oct261543030177213
947210648663552
1012211001032331
113988724819462
1214526a765740b
136a7652c0823a
14303030b5c723
15162982089e3b
hexb1b1860fe8b

12211001032331 has 2 divisors, whose sum is σ = 12211001032332. Its totient is φ = 12211001032330.

The previous prime is 12211001032271. The next prime is 12211001032333. The reversal of 12211001032331 is 13323010011221.

It is a happy number.

12211001032331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211001032331 - 26 = 12211001032267 is a prime.

It is a super-2 number, since 2×122110010323312 (a number of 27 digits) contains 22 as substring.

Together with 12211001032333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12211001032333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105500516165 + 6105500516166.

It is an arithmetic number, because the mean of its divisors is an integer number (6105500516166).

Almost surely, 212211001032331 is an apocalyptic number.

12211001032331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211001032331 is an equidigital number, since it uses as much as digits as its factorization.

12211001032331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12211001032331 its reverse (13323010011221), we get a palindrome (25534011043552).

The spelling of 12211001032331 in words is "twelve trillion, two hundred eleven billion, one million, thirty-two thousand, three hundred thirty-one".