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12251226332231 is a prime number
BaseRepresentation
bin1011001001000111010111…
…1111100101110001000111
31121101012120000202002110222
42302101311333211301013
53101211002420112411
642020045150134555
72403056544421625
oct262216577456107
947335500662428
1012251226332231
1139a379696a667
12145a452ab145b
136ab393862643
14304d69216515
15163a387274db
hexb2475fe5c47

12251226332231 has 2 divisors, whose sum is σ = 12251226332232. Its totient is φ = 12251226332230.

The previous prime is 12251226332221. The next prime is 12251226332369. The reversal of 12251226332231 is 13223362215221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12251226332231 - 26 = 12251226332167 is a prime.

It is a super-2 number, since 2×122512263322312 (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12251226332191 and 12251226332200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251226332221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125613166115 + 6125613166116.

It is an arithmetic number, because the mean of its divisors is an integer number (6125613166116).

Almost surely, 212251226332231 is an apocalyptic number.

12251226332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251226332231 is an equidigital number, since it uses as much as digits as its factorization.

12251226332231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

Adding to 12251226332231 its reverse (13223362215221), we get a palindrome (25474588547452).

The spelling of 12251226332231 in words is "twelve trillion, two hundred fifty-one billion, two hundred twenty-six million, three hundred thirty-two thousand, two hundred thirty-one".