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12202108091 is a prime number
BaseRepresentation
bin10110101110100110…
…10110010010111011
31011111101102022112022
423113103112102323
5144442214424331
65334445305055
7611244131105
oct132723262273
934441368468
1012202108091
1151a1854458
12244656518b
1311c5ca9504
1483a7cc575
154b639467b
hex2d74d64bb

12202108091 has 2 divisors, whose sum is σ = 12202108092. Its totient is φ = 12202108090.

The previous prime is 12202108049. The next prime is 12202108129. The reversal of 12202108091 is 19080120221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12202108091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202108091.

It is not a weakly prime, because it can be changed into another prime (12202108591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101054045 + 6101054046.

It is an arithmetic number, because the mean of its divisors is an integer number (6101054046).

Almost surely, 212202108091 is an apocalyptic number.

12202108091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202108091 is an equidigital number, since it uses as much as digits as its factorization.

12202108091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12202108091 in words is "twelve billion, two hundred two million, one hundred eight thousand, ninety-one".