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12247032131 is a prime number
BaseRepresentation
bin10110110011111101…
…01110000101000011
31011121111221200201122
423121332232011003
5200040220012011
65343132222455
7612331025015
oct133176560503
934544850648
1012247032131
115215148564
12245960aa2b
1312023a8399
148427641b5
154ba2ba3db
hex2d9fae143

12247032131 has 2 divisors, whose sum is σ = 12247032132. Its totient is φ = 12247032130.

The previous prime is 12247032121. The next prime is 12247032199. The reversal of 12247032131 is 13123074221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12247032131 - 210 = 12247031107 is a prime.

It is a super-2 number, since 2×122470321312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12247032131.

It is not a weakly prime, because it can be changed into another prime (12247032121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123516065 + 6123516066.

It is an arithmetic number, because the mean of its divisors is an integer number (6123516066).

Almost surely, 212247032131 is an apocalyptic number.

12247032131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247032131 is an equidigital number, since it uses as much as digits as its factorization.

12247032131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 12247032131 in words is "twelve billion, two hundred forty-seven million, thirty-two thousand, one hundred thirty-one".