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12196511947 is a prime number
BaseRepresentation
bin10110101101111100…
…00000000011001011
31011110222220000001201
423112332000003023
5144434301340242
65334125325031
7611145432604
oct132676000313
934428800051
1012196511947
115199681a44
122444706777
1311c4a9a299
14839b72dab
154b5b3b4b7
hex2d6f800cb

12196511947 has 2 divisors, whose sum is σ = 12196511948. Its totient is φ = 12196511946.

The previous prime is 12196511923. The next prime is 12196511981. The reversal of 12196511947 is 74911569121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12196511947 - 227 = 12062294219 is a prime.

It is a super-3 number, since 3×121965119473 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12196511897 and 12196511906.

It is not a weakly prime, because it can be changed into another prime (12196211947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098255973 + 6098255974.

It is an arithmetic number, because the mean of its divisors is an integer number (6098255974).

Almost surely, 212196511947 is an apocalyptic number.

12196511947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196511947 is an equidigital number, since it uses as much as digits as its factorization.

12196511947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The spelling of 12196511947 in words is "twelve billion, one hundred ninety-six million, five hundred eleven thousand, nine hundred forty-seven".