FRANKFURT, March 19 (Reuters) - A consortium that includes Allianz ALVG.DE, BlackRock and T&D Holdings are investing in Viridium Group in a 3.5 billion euro ($3.82 billion) deal that will see the private equity company Cinven exit as a majority investor, Allianz said on Wednesday.

Viridium is a company that specializes in buying existing life insurance portfolios.

($1 = 0.9168 euros)

(Reporting by Tom Sims and Alexander Huebner; editing by Matthias Williams)

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